A student needs to measure out ~17mL of a solution to add to a reaction container, select all pieces of equipment that can be used to accomplish this task: Group of answer choices a 20-mL beaker a 50-mL beaker a 25-mL Erlenmeyer flask a 10-mL graduated cylinder a 25-mL graduated cylinder a volumetric flask

Q: [OH-] = 4.2 x 10-2 Express the concentration to two significant figures and include the appropriate…

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Q: The calibration curve was generated using known concentrations of five solutions of a newly…

A: Introduction A calibration curve, sometimes referred to as a standard curve, is a common technique…

Q: 4. Given this graph, Concentration vs Solution Volume 3 what can you say 2.5 about the 1.5…

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Q: A chemist adds  30.0mL  of a  0.00394 M calcium sulfate  CaSO4  solution to a reaction flask.…

A: We have to calculate the mass of solute added.

Q: You need to make an aqueous solution of 0.140 M manganese(II) sulfate for an experiment in lab,…

A: we have to calculate mass of manganese(II) sulfate needed to prepare the solution

Q: Convert the experimental glucose concentration (provided in the table below) from mM (millimolar) to…

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Q: To make a calibration curve, you would first make a stock solution. Determine the mass of copper(II)…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: 0.1% w/v = ? mg/100 ml? Only include the number and not any units

A: As per the guidelines we are supposed to answer the first question to be solved other questions…

Q: A reaction calls for about 65 mL of a 2.4 M copper (II) chloride solution. The student has available…

A: We know, for dilutionVinitial Sinitial = Vfinal Sfinal Vinitial = initial volume Vfinal = final…

Q: A reaction is made up in the following way: 19 mL of 4.2 M acetone + 11 mL of 1.1 M HCI + 18 mL of…

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Q: What specific value from the graph is needed to calculate the molar concentration of the NaOH(aq)?

A: Use the titration formula. If the titrant and analyte have a 1:1 mole ratio, the formula is molarity…

Q: It is always important to label everything in the dispensary or the medicinal chemistry laboratory.…

A: We can use two different techniques to distinguish between Aspirin and paracetamol namely…

Q: Part A Part complete [OH−][OH−] = 3.8×10−11 MM Express your answer using two decimal places.…

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Q: You have a stock solution certified by a manufacturer to contain 175.0 z 0.3 wg SO;"/ml. You would…

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Q: You are a work study student in our chemistry department. Amy, your supervisor has just asked you to…

A: The stock solution can be constructed by the dilution of the unknown solution and also the…

Q: A chemist adds 405.0 mL of a 0.64M potassium iodide (KI) solution toa reaction flask. Calculate the…

A: Given: Volume of solution = 405.0 mL = 0.405 L                                 (Since 1 L = 1000 mL)…

Q: ayer Mass of Erlenmeyer Flask Calcium Hydroxide olution (lime water) Mass of Calcium Hydroxide…

A: Titration of Calcium Hydroxide (Ca(OH)2) with Hydrochloric acid (HCl) is- Ca(OH)2 + 2HCl…

Q: Question 5: Find the mass in grams of sodium hydroxide that will be required to prepare a solution…

A: From the definition of molarity (M), Here the solute is NaOH (molar mass = 40 grams) Molarity of the…

Q: A geochemist measures the concentration of salt dissolved in Lake Parsons and finds a concentration…

A: Concentration of salt in various lakes can be determined. Concentration in terms of molarity is…

Q: Explain the reason why a laboratory analyst should not return excess or unused chemicals back in…

A: Chemicals have their chemical property change upon contact of oxygen. The glassware used for…

Q: A laboratory stock solution of sulfuric acid has a concentration of 9.50 M. What volume of…

A: Concentration or volume of the concentrated or dilute solution canbe determined using the…

Q: What volume of 0.300 M Iron(III) nitrate is needed to make 75 mL of 0.00300 M Iron(III) nitrate?…

A: We have an initial concentration of 0.300M We need 75ml of 0.00300M Iron(III)nitrate

Q: Concentration of 7.5 mL Dilution (Use M,V1=M2V2 where M1 = 0.024, V1 = 7.5 mL (why?), V2 = 100 mL)…

A: Consider the given information is as follows; M1 = 0.024              ;                     V1 = 7.5…

Q: Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by…

A: Given in following question give 3 many  give answer true or false

Q: A chemist adds 165.0mL of a 0.224M potassium dichromate K2Cr2O7 solution to a reaction flask.…

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Q: Average Water Hardness (mg CaCO, / ml water sample) Average Water Hardness (mg CaCO3 / L water…

A: Given the hardness of water sample (from three trials), average value can be calculated.

Q: Stock or starting Serial dilutions done Total dilution factor Final concentration concentration…

A: For first we are provided starting concentration and total dilution factor. We are required to find…

Q: How many grams of calcium cyanide, Ca(CN)2, are required to make 415 mL of a 0.825 M solution? SHOW…

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Q: A chemist adds 445.0mL of a 0.024M copper(II) sulfate (CuSO4) solution to a reaction flask.…

A: Given data,

Q: Starting from the primary standard solution in Question 4 and using the dilution scheme in Figure 1,…

A: The amount of solute that is dissolved in a specified volume of a solvent yields a solution. The…

Q: What volume in milliliters of 4.00O M HNO3 is needed to prepare 128 mL of 0.100 M HNO3? 32.0 mL 3.2…

A: The process of dilution is defined as the process in which a solution with a lower concentration is…

Q: 1) 0.1% w/v = ? mg/100 ml? Only include the number and not any units

A: 1)   % ( w/v)  or % (weight/volume) is used to express mass concentration of solution. It gives…

Q: A chemist adds 210.0mL of a 0.248 mol/L barium chlorate (Ba(ClO3)2) solution to a reaction flask.

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Q: Example Weigh of bottle with Na₂C₂04, g Weight minus Na₂C₂04.9 Weight of Na₂C₂O4 taken, g Final…

A: The balanced equation for the reaction of C2O42-(aq) and MnO4-(aq) is: 5C2O42-(aq) + 2MnO4-(aq) +…

Q: Sewage and industrial pollutants dumped into a body of water can reduce the dissolved oxygen…

A: Answer: The null hypothesis says that the mean  --------> , Whereas the alternate hypothesis…

Q: Run 1 Volume of Vinegar 2.00 mL Used Concentration of NaOH Initial Buret reading Final Buret reading…

A: Stoichiometry, in balanced chemical reaction is defined by the ratio at which reactants are reacting…

Q: You measure 15.0 mL of the H2C2O4 solution with a 100-mL graduated cylinder and add it to a 125-mL…

A: Titration is useful in determining the unknown concentration of a solution ghaing known volume.…

Q: There are a flask, and burette containing an acid, and a base, respectively The first, a flask…

A: Given that,  Volume of unknown acid* in flask V1 = 10.0 mL * here unknown acid assumed as monoprotic…

Q: A chemist prepares a solution of aluminum sulfate Al2SO43  by measuring out  100.g  of aluminum…

A: Mass of aluminium sulphate = 100 g  Volume of solution = 400 ml ....Or  because 1L = 1000 ml    so,…

Q: What is the normality of 160 g sodium hydroxide when mixed in a 500 mL solution?. Select the correct…

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Q: A chemist adds 415.0 mL of a 1.78M potassium iodide (KI) solution to a reaction flask. Calculate the…

A: The question deals with the concept of solution preparation. we have to calculate the number of…

Q: Table 1. Concentration of acetic acid in the vinegar sample Concentration of Volume of acetic acid…

A: The quantification of the amount of substance or analyte that is present in the solution is carried…

Q: A chemist has a bottle containing 0.57 M CuCl2. How many milliliters of this solution should the…

A: The number of moles of CuCl2 equivalent to 2.0 g of CuCl2 is; nCuCl2=2.0 g134.45 g/mol=0.015 mol

Q: The protocol for a given lab experiment specifies that you should prepare a diluted solution by…

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Q: Determine the final volume needed when 15.0 mL of a 7.50 M solution is diluted to a final…

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Q: How does this compare with the published solubility of aspirin in water? – this is a physical…

A: Solubility: Solubility is defined as the maximum amount of a substance that will dissolve in a given…

Q: The following information is given in a science supply catalog: 60,00 rubber stoppers = 500.00 grams…

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Q: Using the solubility curve above, how many grams of potassium iodide will dissolve in 100 grams of…

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Q: I am allowed to work with someone I just don’t understand this Using the Volumetric Pipet Data from…

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Q: stock solution was prepared by adding 2.4 g of solid Aluminum hydroxide in 500. mL of water.  50.0…

A: Given-> Weight of Al(OH)3 = 2.4 gm Initial volume = 500 ml = 0.500 L (1L = 1000ml) ->Then 50…

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.