Use the data below to detemmine the Molarity of KMnO4 to THREE decimal places. (MM sodium oxalate = 134 g/mol) mass of sodium oxalate (g) 0.091 initial buret reading (mL) 0.19 final buret reading (mL) 16.41

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO,)) by measuring out 57.0 umol of aluminum…

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Q: Complete the table: Solute Mass of solute Moles of solute Volume of solution Molarity of solution…

A: MgSO4 Molar mass of Magnesium Sulfate = 120.3 g/mol

Q: Reagent nitric acid is 63.73% HNO 3 by mass and its molarity is 14.95 M. Calculate its density in…

A: Given: Concentration of HNO3 = 14.95 M And mass percent of HNO3 = 63.73 % Assuming 1 L i.e. 1000 mL…

Q: What volume of 0.204 M NaOH, in milliliters, contains 35.0 g of NaOH? Volume = mL

A: NaOH has a molar mass of 39.997 g/mol. This means that one mole of NaOH has a mass of 39.997 g.…

Q: 50 mL of a 0.9 Ca3(PO4)2 solution is added to a beaker.  How many moles of Ca3(PO4)2 were added?…

A: Molarity = Number of moles /volume of solution in Litre  Number of moles = weight in grams/ Molar…

Q: If the density of ocean water at a depth of 1.00 x 104 m is 1.071 g/mL and if 21.0 g of water at…

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Q: If we diluted 12.5 mL of a solution to 500 mL, and its molarity is determined to be 0.125. What is…

A: ***Note:- its molarity is determined to be                                0.125 M ( unit is missed…

Q: Calculate the mass of precipitate (in g) produced when 75 mL of 6.00 mol/L sodium hydroxide solution…

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Q: A solution is made by adding 15.62 g of Ba(OH), to water until the solutions volume is 250.0 mL.…

A: Molarity is defined as moles of solute in one litre of solution. Molarity = moles of solute / volume…

Q: A solution is made by adding 71.2g of NaS to water until the solution volume is 500.0mL. What is the…

A: Given :-  Mass of NaS = 71.2 g  Volume of solution = 500.0 mL  To calculate :-  Molarity of solution…

Q: "Find the molarity of the Na+ ions when 78.0 g Na2S is dissolved in water for a final volume of 1.0…

A: Volume of solution =1.0 L

Q: Dissolved 2.5 gm of magnesium chloride (MgCl) in 250ml distilled water and then diluting (10 ml) of…

A: Given, Mass of MgCl2= 2.5 g Volume of distilled water =250 mL

Q: The molarity of 10% (mass/volume) acetic acid (CH3CÓOH, density =1.05 g/mL) is Select one: а. О.83 М…

A: Given: % mass by Volume = 10 % ( 10 g of solute present in 100 mL of solution) density = 1.05 g/mL…

Q: A. Standardization of NaOH Solution Chemical Reactions: Molecular Equation: HCl(aq) + NaOH(ag) –→…

A: An acid-base titration is the titration used to determine the unknown acid or base concentration by…

Q: How many grams of NaOH would you need to make 3,243 mL of a 7 M NaOH solution (m.w. = 40.00 g/mol)?…

A: Given, volume = 3243 ml = 3.243 L Molarity = 7 M  Molar mass of NaOH = 40.00 g/mol

Q: Aspirin yield You record the following data during the Qualitative and Quantitative Characterization…

A: Acetyl salicylic acid is also called as Aspirin Aspirin is used as an analgesic and antipyretic drug…

Q: Suppose you had used 4.00 grams of NaOH(s) in reaction 1. What would have been the number of Joules…

A: According to the reaction,∆H, energy released=-45 kJ/molthat means, for 1 mole of NaOH -45 kJ/mol…

Q: A chemist prepares a solution of magnesium chloride (MgCI,) by measuring out 25.5 mg of MgCl, into a…

A: Given:: mass of MgCl2 = 25.5 mg = 0.0255 g molar mass of MgCl2 =95.211 g mol-1 volume = 50 ml =…

Q: Suppose you had used 4.00 grams of NaOH(s) in Reaction 1. What would have been the number of Joules…

A: The equation given is  NaOH (s) → Na+ (aq) + OH- (aq) For the dissociation and dissolution of NaOH…

Q: Please help me Calculate the mass of each reactant to create a stock solution Formula: C = n/v N = c…

A: We can solve this problem by using formula Molarity = mole / volume Mole = weight in gram/ molar…

Q: How many grams of Mg3(PO4)2 are in 10.00 mL of a 2.500 M solution ? The GFW for magnesium phosphate…

A: Molarity of solution = 2.5 M Volume of solution = 10 ml Molar mass of Mg3(PO4)2= 262.87 g

Q: How many milliliters of silver nitrate is required in the standardization? If wt. of silver…

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Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are…

A: We have given that  Complete the table below by deciding whether a precipitate forms when aqueous…

Q: Weight of filter paper = 0.756 g Weight of filter paper + barium sulphate precipitate = 0.990 g…

A: Result and Discussion: In this experiment, Gravimetric analysis is used to calculate the proportion…

Q: A student was asked to calculate the mass of NaCl (in g) needed to create 500 g of 10 % NaCl…

A: Mass of solution = 500 g  Mass Percentage = 10 %  Mass of NaCl (salt) = ?

Q: What is the molarity (moles/L) of the solution made from mixing together 652 mL of water with 64.3…

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A: Dear student I have given answer to your question in the image format.

Q: A vinegar solution contains 5.11% acetic acid. Its density is 1.007g/mL. What is its molarity?

A: The concentration of acetic acid in vinegar solution is = 5.11 % The density of the solution is =…

Q: What volume of 0.172 M NaOH, in militers, contains 200g of NaOH? Volume mL

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Q: You then use the standardized NAOH (0.1736 M) to determine the unknown concentration of an acetic…

A: The equation for unknown values is given by, M1V1=M2V2 where M is the molarity and V is the volume.

Q: What is net ionic for CuSo4+NH4Cl ?  Does CUCl2 Considered Insoluable ?

A: The reactants given are  1) CuSO4 (aq)  2) NH4Cl (aq) Since the 2 salts will react and undergo…

Q: Balance the eauations below: 11) P + _O2→ P205 12) Na + H20 > NaOH + _H2 13) Ag20 → Ag + O2

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Q: An analytical chemist weighs out 0.050 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: In an acid-base neutralization reaction, normality will be compared as the base is monobasic and the…

Q: a. What is the mass percent of NaCl if 6 grams of NaCl dissolved in 123 grams of solution?  b. What…

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Q: What is the molarity of concentrated acetic acid if the solution contains 40% acetic acid by mass…

A: Molarity of a solution is equal to the number of moles of solute per liter of the solution.

Q: Mass of evaporating dish 69.148 Mass of evaporating dish and KCl solution 77.885 Mass of KCl…

A: Given Values: Mass of evaporating dish is 69.148 g Mass of evaporating dish and KCl solution is…

Q: Your group's task is to prepare 100.00 mL of 0.250 M solution of sucrose, C12HO11. You are to use a…

A: Interpretation -  To determine the number of mole of sucrose are required and mass of sucrose…

Q: What volume (mL) of the sweetened tea described in the problem below contains the same amount of…

A: Molarity is the no. Of miles of solute in 1 L of solvent.

Q: When aqueous solutions of lead(II) ion are treated with potassium chromate solution, a bright yellow…

A: Given: Mass of lead nitrate = 1.00g Volume of potassium chromate = 25 mL Concentration of potassium…

Q: 2. To prepare a solution of NaCl, you weigh out 2.634 (+0.002) g and dissolve it in a volumetric…

A: Given :-  Mass of NaCl = 2.634(±0.002)g  Volume of NaCl solution = 100.00(±0.08)mL  Molar mass of…

Q: In biochemistry laboratories,  solutions of sucrose (table sugar, C12H22O11) are used in high-speed…

A: Concentration (g/L) = Molarity x Molar mass  Volume (L) = Mass (g)/Concentration (g/L) Given that:…

Q: Silver nitrate and lead II acetate. AgNO3+Pb(C2H302)2–> Total molecular Total ionic Net ioni

A: The net ionic equation is obtained by eliminating spectator ions.

Q: Calculate the Molarity of the solution given the following information. 25g KCI dissolved into 250…

A: Molarity is defined as the number of moles of solute divided by volume of the solution in liters.…

Q: The percent of vitamin C (mg/ grams sample of vitamin C), according to the Following data (Mass of…

A: The question is based on the concept of quantitative analysis. We have to calculate concentration of…

Q: Calculate the total number of moles of ions when 185.9 g of sodium oxide (Na2O) is added to water.

A: Mass of sodium oxide(Na2O)= 185.9g Molar mass of Na2O=61.9789g/mol

Q: If 55.8 mL of BaCl, solution is needed to precipitate all the sulfate ion in a 760 mg sample of…

A: Given : Volume of BaCl2 solution used = 55.8 mL = 0.0558 L…

Q: 50.020 g sucrose were used to prepare 300.0 mL of solution (sp. gr. = 1.17). What is the % by mass…

A: Given, 50.020 g sucrose were used to prepare 300.0 mL of solution (sp. gr. = 1.17).

Q: How many grams of sucrose (molar mass = 342.3 g/mol) are needed to make 550.0 mL of a 0.31 M…

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Q: If 41.1 g of NaOH (MM = 40.00 g/mol) are added to a 500.0 mL volumetric flask, and water is added to…

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