For this question, let's assume that both the number of moles (0.438 mol Co(No3)2 and the mass of the solute 80.1 were not given in the question. How we calculate to get both of these figures?

Q: A solution is made by adding 15.62 g of Ba(OH)2 to water until the solutions volume is 250.0 mL.…

A: Number of moles of Barium hydroxide can be calculated as follows: No. of moles  = massmolar massNo.…

Q: Calculate the number of moles of solute in 69.67 mL69.67 mL of 0.1275 M K2Cr2O7(aq). How many grams…

A: The SI unit for the amount of substance present in a given compound is called its number of moles.…

Q: A strontium hydroxide solution is prepared by dissolving 12.50 g of Sr1OH22 in water to make 50.00…

A: mass of strontium hydroxide (m) = 12.50 g volume of solution (V) = 50.00 ml

Q: Calculate the number of moles of solute in 76.43 ml. of 0.1185 M K,Cr,0,(aq). moles of solute: mol

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Q: A student prepares 2.0 liters of an aqueous solution of calcium carbonate (molar mass = 100.09…

A: The objective of this question is to calculate the molarity of a solution prepared by dissolving a…

Q: 2. What is the volume, in milliliters, of a 6.0 M H2SO4 (aq) solution that contains 3.60 moles of…

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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: Calculate the molarity of the following solutions:   (a) 0.80 mol of solute in 118  mL of solution…

A: In multipart question we solve only first three subparts according to Bartleby Guidelines. Molarity…

Q: What is the total molar concentration of ions in each of the following solutions? A 0.19 M solution…

A: We have to predict the total molar concentration of ions .

Q: What is the number of equivalents of sodium in 0.806 moles of Na3PO4(aq)?

A: Number of equivalent is the multiplication.of Mole and nfactor. nfactor for salt is the charge on…

Q: 4. You have a solution of 0.2064 M cobalt(II) chloride. (a) How many moles of solute are contained…

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Q: Calculate the molarity of the following solutions: (a) 0.30 mol of solute in 80.5 mL of solution…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall only…

Q: What mass of calcium chloride dihydrate, CaCl2•2H2O is required to prepare 100.0 mL of a 0.21 M…

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Q: 1. How would each of the following procedural errors affect the value obtained for the molar volume…

A: Answer: When a metal reacts with acid, it produces H2 gas and metal salts. For example: Na+HCl= Nacl…

Q: Suppose 0.696 g of lead(II) acetate is dissolved in 150. mL of a 27.0 m Maqueous solution of…

A: Given that : Mass of lead (II) acetate = 0.696 g The volume of ammonium sulfate solution = 150 mL…

Q: A 88.0 ml. solution of 0.100 M of AGNO, reacts with 180.0 ml. solution of 0.201 M of NaCI to produce…

A: Given :-  AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)  Molarity of AgNO3 = 0.100 M  volume of AgNO3…

Q: The mass percent of acetic acid (CH3COOH) in a bottle of vinegar is 5.45% in water. What is the…

A: Consider the volume of the solution as 1 L (1000 mL).Determine the mass of l L of solution from the…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Hi, as you have posted 2 questions and have not mentioned which one you want us to solve for you.…

Q: chemist prepares a solution of magnesium bromide (MgBr,) by measuring out 1.8 g of me mark with…

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Q: If 1.12 g of phosphorus acid were dissolved in 100.00 ml of H₂O, what is the concentration of the…

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Q: Suppose 3.77 g of potassium iodide is dissolved in 300. mL of a 74.0 m M aqueous solution of silver…

A: The chemical reaction; KI + AgNO3 -------> KNO3 + AgI  Given,  Mass of KI = 3.77 g  Volume = 300…

Q: If the density of ocean water at a depth of 1.00 x 104 m is 1.071 g/mL and if 23.0 g of water at…

A: Given,density of water = 1.071 g/mLmass of water = 23.0 gd=Vm​V=dm​V=1.071 g/mL23.0 g​V=21.5…

Q: Calculate the molarity of the solution. 2.98 mol H2SO4 in 3.25 L of solution. Express your answer…

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Q: This question has two parts: A student is trying to prepare 500. mL of 6.0 M sodium hydroxide, NaOH,…

A: molarity =w/M ×1000/v in ml W=weight of solute M=molar mass of solute   NaoH molar mass 40 g /mol

Q: Silver nitrate reacts with aluminum chloride to form the insoluble compound, silver chloride. The…

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Q: Suppose 11.1g  of lead(II) acetate is dissolved in  350.mL  of a  0.80 M  aqueous solution of…

A: Given that : The mass of lead (II) acetate = 11.1 g The volume of ammonium sulfate solution = 350 mL…

Q: How many grams of chlorine are in 101 milliliters of a 1.474 M MgCl2 solution? Hint: the solubility…

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Q: what is the molarity of the solution?

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Q: How many milliliters of 10.5 M HCl(aq) are needed to prepare 460.0 mL of 1.00 M HCl(aq)?

A: We have to find the volume for dilution.

Q: Silver nitrate reacts with aluminum chloride to form the insoluble compound, silver chloride. The…

A: The given reaction s as follows: 3AgNO3(aq)+AlCl3(aq)------------->Al(NO3)3(aq) + 3AgCl(s).…

Q: Suppose you were preparing 1.0 L of a bleaching solution in a volumetric flask, and it calls for…

A: Answer :volume  = mole* 1000/ concentrationvolume of stock solution  = (0.24*1000)/0.70 = 342.85 mL

Q: How many grams of chlorine are in 190 milliliters of a 1.526 M MgCl2 solution? Hint: the solubility…

A: According to the question, The molar concentration (molarity) of the MgCl2 solution is given by =…

Q: he molarity of nitrate ions in 125 ml aqueous solution of iron 3 nitrate is found to be .0565 M…

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Q: Suppose 6.22 g of ammonium iodide is dissolved in 250. mL of a 0.20 M aqueous solution of potassium…

A: Given ,  Mass of ammonium iodide = 6.22 g Molar mass of ammonium iodide = 144.94 g/mol Moles of…

Q: If 22.6 grams of an aqueous solution of zinc chloride, ZnCl,, contains 5.33 grams of zinc chloride,…

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Q: If 500. mL of a solution was prepared by dissolving 8.38g of NaNO3 in water, what is the molarity of…

A: The number of moles of a solute per liter of solution is measured in molarity, which is a unit of…

Q: Calculate the molarity of the following solutions: (a) 0.14 mol of solute in 79.2 mL of solution…

A: Finding Molarity of the solution.   As per our guideline we have to answer first three questions…

Q: Suppose 0.506 g of nickel(II) bromide is dissolved in 200. mL of a 61.0 m M aqueous solution of…

A: Given :

Q: A student takes a 25.0 mL volume from a stock solution of 1.14 mol L-1 magnesium chloride. How many…

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Q: at a certain temperature,1.85 grams of barium hydroxide will dissolve to form 100.0 ml of a…

A: The given mass of barium hydroxide = 1.85 g The volume the solution = 100.0 mL = 0.100 L  The…

Q: Calculate the following quantity: volume in milliliters of 3.58  ×10−2 M adenosine triphosphate…

A: This is a simple problem of solution strength estimation that is just estimating the amount of the…

Q: 2. The solubility of KCIO, at several temperatures is shown in the accompanying diagram. Solubility,…

A: Given,a student mixes 10.0 g of KClO3 with 45.0 g H2O at 70 oC. The final solution is:

Q: Calculate the molarity of a solution prepared by dissolving 12.50 grams of NaNO3 in 250. mL of…

A: Molarity is defined as the moles of solute present in one liter of solution.

Q: (b) Zn(NO3)2(aq) + 2 N2OH(aq) → Zn(OH)2(s) + 2 NaNO3(aq) Write the complete ionic equation. (Include…

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