Q: what is the percent by mass of a solution made by dissolving 55.0 g KCL in 125g of water?
A:
Q: It is the ratio of the numbers of solute to the number of volume of solution in liters is called ?…
A: Molality is defined as the number of moles of solute dissolved in per kg of solvent.
Q: Calculate the molarity of saturated aqueous sodium chloride (58.443 g/mol). A saturated solution…
A:
Q: What is the volume of the solute dissolved in 100mL of solution in a 22%V/V solution?
A: Given, the volume of the solute dissolved in 100mL of solution in a 22%V/V solution is :
Q: molar
A:
Q: % mass solvent mole fraction solute molality ppm solute 1683
A: Amount of Zn(NO3)2 is 1683 ppm. 1 ppm is equivalent to 1 mg of solute present in 1 L of solution.…
Q: Calculate the mass- volume percent of 1.00g of nano3 in enough water to give 75.0ml of solution
A: Since we know that mass by volume percent is define as the percentage of ratio of mass of solute to…
Q: Calculate the number of mmoles of solute that are present in 4000 cm of an aqueous solution that…
A: Given: Volume of solution = 4000 cm3 = 4000 mL (Since 1 mL = 1 cm3 ) Density…
Q: A solution is made up of 20.0 mL of ethyl alcohol and 50.0 mL of water. What is the volume percent…
A: Volume percent or percentage by volume v/v is one of the concentration terms that indicates the…
Q: Fifty milliliters (mL) of a 0.10N solution of sodium thiosulfate, NazS2O3, is to be make a 0.02ON…
A: Given data, To calculate the final volume by using the following equation,
Q: 8. A solution is made my mixing 90.0mL of alcohol with enough water to give 250.0mL of solution.…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: 5. Molarity is expressed in units of a. grams of solvent per liter of solution b. moles of solute…
A: Concentration in terms of molarity is defined as the moles of solute present per liter of the…
Q: What is an isotonic solution? Why do some pharmaceutical preparations have to be isotonic? - List 5…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: What are the common conversion factors needed to know in figuring out molarity, molality, percent by…
A: Molarity is the described as the number of moles present in 1 L solution. Molarity is expressed in…
Q: Determine the percent composition by mass of a 100 g salt solution which contains 20g of salt.
A: Weight of salt = 20 gm Weight of solution = 100 gm
Q: Which of the following is/are characteristic of a true solution? Components interact chemically with…
A: 1st - False no paricle do not interact with each other 2nd- True as its a homogenous Solution
Q: Please define molality, molarity, normality, mass percent, volume percent.
A: Molality, molarity, normality, mass percent, and volume percent are all quantitative concentration…
Q: A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 12.27 %…
A: Concentration of napthalene in hexane 12.27%by mass Vapoue Pressure of pure hexane=151 torr Molar…
Q: What is the total mass (in grams) of a solution that contains 22.5 grams of MgCl2 where the solution
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Q: What aliquot of 20.0 mg L-1 nitrite stock solutionrequired to prepare 80.00 mL of 15.0 mg L-1…
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Q: What volume of a 40.0% m/v solution contains 70.0g of solute?
A: given, m/v% = 40.0 mass of solute = 70.0g
Q: Classify the steps involved in the formation of a solution as being endothermic or exothermic. Drag…
A: A substance which is present in less quantity in a solution is called a solute. To dissolve the…
Q: What is the molarity of an aqueous solution that contains 0.072 g C2H.Oz per gram of solution. The…
A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…
Q: How many parts per million of solute is present in a solution that is 0.300% by mass?
A:
Q: Give some examples of gas in liquid solutions and their primary solute and solvent.
A: There are 3 states of matter: solid, liquid and gas. In many cases the same element can exist in all…
Q: How many mols of solute are in 125mL of a 2.0M hydrochloric Acid solution?
A: Molarity is defined as the number of moles of solutes present in per litre of solution.
Q: calculate the molarity of a solution containing 29g of c6H12O6 dissolved in 24 g of water. Assume…
A: Interpretation - To determine the molarity of a solution containing 29g of c6H12O6 dissolved in 24 g…
Q: What solute characteristic affects the colligative properties of solutions? Use the paperclip button…
A: Colligative properties of solutions are depend upon the concentration of solute molecules or ions,…
Q: that
A: Molar mass of C2H6O2 = 62.07gmol-1 Moles of C2H6O2 = ( mass of C2H6O2 / molar mass of C2H6O2 )…
Q: An alcohol has a 36% percent by volume in a 1000ml solution. Calculate the volume of solute.
A: Given data Volume % of alcohol (solute) = 36 % Total volume of solution = 1000 mL…
Q: Differentiate between molarity and molality of a solution.
A: Molarity Molality Molarity of a given solution is defined as the total number of moles of…
Q: An aqueous solution is prepared by dissolving 16.7 grams of Aluminum hydroxide in 645.0 mL solution.…
A: Given data,Mass of Al(OH)3=16.7gVolume of solution=645.0mLDensity of solution=1.09g/mL
Q: A solution is prepared by dissolving 10g of glucose in enough water to make 500mL of solution .…
A: Given, A solution is prepared by dissolving 10g of glucose in enough water to make 500mL of…
Q: A solution is made using 189.4 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…
A: In the question Solution is Methanol in water. Given that, Volume of methanol is 189.4 mL and…
Q: A solution is prepared by mixing 5 ml of ethyl alcohol in 100 ml of water. What is the volume…
A: Here we are required to find the volume percentage of ethanol in the solution
Q: Determine the weight of SDS powder needed in order to prepare 100ml of 25% SDS solution.
A: The weight by volume of a solution is the ratio between the mass of solute to the 100 mL of…
Q: percent by mass
A:
Q: If a solution contains 128 Ml of ethanol and water to make 0.452L of solution what is the (v/v)%…
A: V/V % represents the volume of solute present in the total volume of the solution. In the given…
Q: Enter your answer in the provided box. A sample of 8.61 g of naphthalene (C1,Hg) is dissolved in…
A:
Q: Calculate the percent by mass of the 5.5 g of NaBr in 78.2 g of solution
A: Given data set: Mass of NaBr = 5.5 g Mass of solution = 78.2 g. We need to determine the percent by…
Q: What is the %v/v of a solution made from 141.1 g of ethylene glycol (density is 1.11 g/mL) in water…
A: % V/V = ? Mass of ethylene glycol = 141.1 g Density of ethylene glycol = 1.11 g/ml Total final…
Q: Determine the percent concentration of a solution made by dissolving 1.7 g. of sugar in 60.6 g. of…
A: The mass of solute, (sugar) is = 1.7 g The mass of solvent, (water) is = 60.6 g The percent…
Q: Consider an aqueous solution containing sodium chloride that has a density of 1.01 g/mL. Assume that…
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Q: A small volume within a 400 mL aqueous solution of methanol is shown in the image. Identify which…
A: As we double the volume the molecules of methanol per unit area decrease as we have not added any…
Q: Calculate the molarity of a solution containing 2.80 moles of ethyl alcohol (C2H6O) in 500 mL of…
A:
Q: True or False? Molarity of a solution is independent of the temperatuture of the solution. (In…
A: Given statement : Molarity of a solution is independent of the temperatuture of the solution. (In…
Q: Calculate the amount of sugar needed to make 100 ml of 40 degree brix syrup. Specific gravity of 40…
A: Ans. Let us calculate first denaity of brix solution :- Specific gravity=Density of 40 degree…
Q: Calculate the percent by mass of a solution where 15.356 grams is dissolved in 89.626 grams of…
A: Given : Mass of solute dissolved = 15.356 g And mass of water i.e solvent = 89.626 g
Q: distinguish between an unsaturated solution, a saturated solution, and a supersaturated solution.
A:
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- For Exercises 11–15, calculate the quantities needed to prepare the solid and semisolid compounds. Round your answers to two decimal places (hundredths) when necessary. Calculate the amount of cream base needed to prepare 50 g of 1.5% lidocaine creamWhat following are ways to express percent concentration? 1. m/v 2. m/m 3. v/v 4. Two of the above are used to express percent concentration 5. All of the above are used to express percent concentrationA 350 mL bottle of mouthwash contains 30 mL of ethanol. What is the volume/volume percent concentration of ethanol?
- For Exercises 11–15, calculate the quantities needed to prepare the solid and semisolid compounds. Round your answers to two decimal places (hundredths) when necessar Calculate the amount of zinc oxide powder needed to prepare 20 g of 15% zinc oxide ointment.Calculate CaCO3 concentration: Ca2+:149.2 mg/L as CaCO3, Mg 2+ : 65.8 mg/L as CaCO3, Na+ :17.4 mg/L as CaCO3, HCO3 - : 185 mg/L as CaCO3, SO4 2- : 2.9 mg/L as CaCO3, Cl- : 17.6 mg/L as CaCO3 calculate MgSO4 in mg/L.C. 92.3 m d. 226 mL 4. Solution B was prepared from solution A as shown below. The concentration of solution B is: 2. 2.00 M b. 2.00 x 10-3 C. 8.00 M d. 8.00 x 10-3 هایی ناخذ الكيو ستة آلية deez 2.00 ml A 500.00 ml M = 2.00 M X 500.00 ml M = ??
- How many milliliters of 18.2 M H2SO4 are needed to prepare 600.0 mL of 0.10 M H2SO4? 0.30 mL 109 mL 3.3 mL 1.6 mL 4.3 mLPlease provide complete solutions! Salamat po!Questions 15 through 20 pertain to the following medication formula: Here is the formula a pain and inflammation reducing ointment. Methyl salicylate (sp gr = 1.167) 60 mL Lidocaine 4% (w/w) Tween:Span mix (1:4 mix) Polypeg Base 10 g QS to 0.5 kg You receive an order to make 3 solid ounces of this product. Answer the following questions pertaining to producing 3 solid ounces of the product. 15. Volume of methyl salicylate, in milliliters. 16. Weight of lidocaine in grams. 17. Weight of Tween in milligrams. 18. Weight of Span, in milligrams. 19. Weight of Polypeg base, in grams. 20. What is the final concentration of methyl salicylate, as a percent concentration (w/w)?
- What is the final concentration (M) of a solution prepared by diluting 50.0 mL of a 6.00 M KCI solution to a volume of 0.500 L? O 0.0167 O 3.0 O none of the above O 1.67 O 0.60011. The formula for a ciprofloxacin otic drop is given in the literature as follows10: Ciprofloxacin Propylene Glycol Glycerin qs ad 1g 50 mL 100 mL How many grams of ciprofloxacin would be required to prepare 200 15-mL bottles of the ear drop?How many 650mg NaHCO3 tablets would be used to prepare 250mL of 10% w/v solution?