Calculate the amount of solute needed to prepare the following solutions. 180 mL of a 42.1 %% (m/vm/v) LiNO3 solution         Express your answer using two significant figures.   470 mL of a 2.3 % (m/v) KOH solution Express your answer using two significant figures.   255 mLmL of a 12 %% (v/v) isopropyl alcohol solution Express your answer using two significant figures.

Q: if i have a hypothetical ionic molecule... AB3 that dissolves in H20. and A3+ is 30 ppm...how do I…

A: The ionization equation for the ionic molecule AB3 in water can be written like as: AB3  +  H2O   =…

Q: What is the mole fraction of solvent of a solution in which 3.46 grams of liquid benzene (C6H6) has…

A:

Q: An oral antibiotic is available as a powder for reconstitution. At the time of dispensing, the…

A: Given: %(w/v) of the drug solution = 0.5% Volume of the drug solution = 120 mL Volume of water added…

Q: A DoD device is charged with a 1.0 molar solution of ibuprofen (the API) in n-hexane. The molecular…

A: Given: Volume of solution required for man = 2.803 mL = 2.803 cm3                        (Since 1 mL…

Q: What is the molarity of a 30% CH3OH (MW=32g/mol) solution with density 3g/mL?

A:

Q: 100mL 1M H2SO4 : How much amount do you need (in mL) - Here you use 95% weight percent of sulfuric…

A: According to the question, two solutions are to be prepared: 1) 100mL 1M H2SO4 from 95% H2SO4 2)…

Q: 5-7: A 10.34 molal aqueous nitric acid solution was prepared.  (Density of nitric acid = 1.51 g/mL,…

A: 10.34 molaLI + NO3 SO1 = 10.34 mole of  HNO3 in 1kg of H2 O. 10.34 mole of H NO3 = 10.34 x 63 =…

Q: 3. Ms Lauren R. Davis prepared three aqueous solutions of sucrose (C12H22O11) in proportions as…

A: Molarity of a solution is the number of moles of solute dissolved in one litre of the solution…

Q: Calculate the amount of solution (g or mL) that contains each of the following amounts of solute.…

A: In this question we have to calculate the amount of Solution in g or mL unit which is given in (m/m)…

Q: How many grams of MgCl2 in 30.00 mL of a 25.5 ppt solution ? (30.00 mL)(- %3D mL а. 25.5 i. 18.0 b.…

A: All the necessary calculations have been done in the following step.

Q: A sample of 14000 ppm iron is Strong Acid has to be diluted between 95 and 180  ppm.  The method…

A: One gram in one liter is 1000 ppm.  1g1000 = 0.001g in 1 L  = 1 ppm1 ppm = 1 mg/L

Q: Calculate the grams or milliliters of solute needed to prepare the following solutions. (PART A)…

A: Given information: Mass percent of KCl solution = 3.0 % Mass of solution = 60 g Mass by volume…

Q: If 10.0 mL of 0.20 N oxalic acid dihydrate required 2.75 mL of an unknown NaOH solution to reach the…

A: Given  Volume of oxalic acid dihydrate ( V1 )  = 10 mL Normality of oxalic acid solution ( N1  =…

Q: The alcohol content of hard liquor is normally given in terms of the “proof,” which is defined as…

A:

Q: A solution is made by mixing 33.g of heptane (C7H16) and 122.g of chloroform (CHCl3). Calculate the…

A: The mass of heptane is = 33. g The mass of chloroform is = 122. g The mole fraction of heptane in…

Q: A certain liquid X has a normal freezing point of 0.80°C and a freezing point depression constant…

A: For colligative properties  Depression in freezing point,  ∆T= imKf  Where,  i - vant hoff factor  m…

Q: When 1 mole of water is added to an infinitely large amount of an aqueous methanol solution having a…

A: Here , given that when 1 mole of water is added to an infinitely large amount of an aqueous methanol…

Q: 28. A solution contains 125 g of a compound and 555 g water.   The boiling point  of the pure…

A: We have to predict the molar mass of compounds.

Q: Determine the amount of sodium chloride required to prepare 500 ml of a 3M sodium chloride solution.…

A: The molarity of a solution is the ratio between the number of moles of the compound to the solution…

Q: Which of the following liquids will have the highest freezing point? Group of answer choices aqueous…

A: Given, aqueous FeI3 (0.030 m) aqueous NaI (0.030 m) pure H2O aqueous CoI2 (0.030 m) aqueous…

Q: A glass of cola is fizzy because carbon dioxide, CO2, has been dissolved in it under pressure. When…

A: The amount of gas that a saturated drink contains is 1.5 g per L. According to this data, a 500 mL…

Q: Consider 2 aqueous solutions: H2O/NaCl and H2O/CH3OH.  Which one will exhibit a…

A: Raoult's law states that a solvent's partial vapour pressure in a solution (or mixture) is equal or…

Q: The amount of urea in ppm [parts per million] present in an aqueous solution containing 45 % by mass…

A:

Q: Using the relationship C1V1=C2V2, how many mL of 0.50 M HAc stock solution would you need to prepare…

A: Given relationship is  C1V1=C2V2, C1 = Initial concentration = 0.50 M V1 = Initial volume = ? C2 =…

Q: Express the concentration of a 0.0160 M aqueous solution of fluoride, F−, in mass percentage and in…

A: The molarity of the fluoride ion is = 0.0160 M The density of the solution is = 1.00 g/mL The molar…

Q: A solution is prepared by mixing 8 g of ethanol and 50g water. Calculate a) weight % ethanol, b)…

A: The mass of ethanol is = 8 g The mass of water is = 50 g The mass of solution is = 8 g + 50 g = 58 g

Q: ity in acetone of  0.135gmL  at  25.°C . Calculate the mass of  M  required to prepare  1.0L  of a…

A: Solubility 0.135 g/ml it means 0.135 g solution in 1 ml solution and this is saturated solution .…

Q: A dilute aqueous solution of an organic compound soluble in water is formed by dissolving 2.35 g of…

A: Given: The osmotic pressure of the solution at 25°C is 0.605 atm. The amount of organic compound…

Q: c. Quantitatively transferring dissolved solids from a beaker by pouring washings into the final…

A:

Q: A solution is made containing 20.8 grams of phenol )C6H5OH) and 425 grams of ethanol (C2H5OH).…

A: Mass percentage = grams of solute /grams of solute +grams of solvent *100

Q: Which of the following can be used to measure a very small concentration (much less than 1% m/m)?…

A: Given: Mass percent of solute is much less than 1 % (m/m) (assuming its 0.0001 %). Assuming 100 g of…

Q: Dilutions From a 2.0 M Stock Solution 39 SEP Interpret Data The table shows the volume (Vstock) of a…

A: M1 = 2.0 M V1  =  ?  M2 = 0.5 M      ( mol/L  = M ) V2 =  1 L    M1 × V1  = M2 × V2 2.0 M × V1  =…

Q: How many microliters of a 857.0 ppm Co²+ stock solution are required to prepare 20.00 mL of a 18.0…

A: volume = ? concentration = 857 ppm = 857 mg/μl 1 ml = 1000μl 20 ml = 20000μl C1VI = C2V2

Q: How much of each source material is required to make the stated solution 200 mL of a 250 ppm Carbon…

A:

Q: A solution was prepared by dissolving 35.0 mL of methanol in sufficient water to give a total volume…

A: We have to predict the percentage by volume of given solution.

Q: Urea (NH2)2CO, is dissolved in 105.0 g of water. The solution freezes at -0.605°C. How many grams of…

A:

Q: 4 grams of  Na2CO3 (MW = 105.99 g/mol) was dissolved to make 300 mL solution. It was found to have a…

A:

Q: A dilute solution of NaCl has a weight per volume percentage of 15% (w/v). What mass of NaCl pellets…

A: We have to calculate mass of NaCl pellets needed to prepare the solution

Q: If a 1000ml liquor beer is 36% alcohol by volume, how many ml of the solution are ethanol? Find the…

A: Given, Volume of the solution (liquor Beer) = 1000 ml 36% alcohol by volume  Formula Used,…

Q: Calculate the amount in grams of CaCl2 needed to make 250 mL of a 20 mM CaCl2 solution.

A:

Q: A 335 −mL−mL can of soda pop contains 44 gg of sucrose (C12H22O11C12H22O11). Part A What is the…

A:

Q: A solution contains 11 ppb of toluene. This means that ___. 1 g of solution contains 11 ×…

A: Ppb is the concentration measurement and is named as parts per billion. It measures the…

Q: How much water (ml) is needed to dilite 8.16 M stock solution of H2SO4 to prepare 5.00x10^2 ml of…

A: For dilution of a solution,  M1 V1 = M2 V2

Q: Calculate the mass/volume percent, % (m/v), for the solute in each of the following solutions. ▼…

A: Given: For part A; The mass of solute (LiCl) = 4.80 g The volume of the solution = 51.5 mL For part…

Q: 250 mL of 1% m/v Na2CO3 (MW = 105.99 g/mol) was found to have a density of 1.05 g/mL at 25oC. Find…

A:

Q: hat mass of Na2CO3 is present in 0.500L of a 0.417M solution? Group of answer choices 44.2 grams…

A:

Q: Coco Cola has a CO2 pressure of 3.40atm. If Henry's constant is 3.4E-2M/atm. How many grams of CO2…

A:

Q: a. How many grams of NaCl would you need to weigh out to make up 150 ml of a solution? b. You will…

A:

Q: A solution containing only water and glycerol (MW=92.1 g/mole) has a mole fraction for glycerol of…

A: Using mole fraction, we will calculate molarity of solution.

Q: Acetyl salicylic acid =324 mg Sodium carbonate, Tartaric acid, citric acid = each amount to make…

A: Formula used: 1dose/5 doses = (amount for 1dose) /     (amount for 5 doses) We have to use this…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.