3.8801 g of zinc metal was dissolved in dilute sulphuric acid and then made up to 381 cm3 with water. What is the percentage mass in volume composition in terms of zinc sulphate (ZnSO4.7H2O).

Q: 100 mL 0.25 M NH4OH, 4 g Ca(NO3)2·4H2O, and/or 3 g (NH4)2HPO4.Determine the mass or volume of each…

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Q: 250.0 mg of copper(II) sulfate pentahydrate (CuSO4•5H2O, 249.69 g/mol) was dissolved in water to…

A: Since mass of CuSO4•5H2O used = 250 mg = 0.25 g              (since 1 g = 1000 mg) Hence moles of…

Q: parts per million

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Q: When 250.0 mL of .2500 M Li2CO3 (aq) were mixed with 350.00 mL of .1500M AlBr3 (aq), 2.500 grams of…

A: Molarity of Li2CO3 = 0.2500 M Volume of Li2CO3 = 250 mL = 0.250 L Molarity of AlBr3 = 0.1500 M…

Q: If 1.5234 grams of H2C2O4·2H2O is dissolved in water to prepare a 0.250 L solution, what is the…

A: Formula to calculate molarity:                        Molarity=mass of solute(g)molar mass of solute…

Q: If 23.3 grams of an aqueous solution of manganese(II) sulfate, MnSO4, contains 5.96 grams of…

A: Percentage by mass – ratio of Mass of solute to the Mass of solution and multiplied by 100 is…

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 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: A student wants to prepare a solution of chromium(III) nitrate with a known molarity. How many…

A: Given data, Volume of Cr(NO3)3 solution (v) = 500 mL = 0.5 L Concentration of Cr(NO3)3 solution (M)…

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: If 45.4 mL of 0.25 M HCl(aq) reacts with an excess of Mg(OH)2(aq), what mass of magnesium chloride…

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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: What volume of a 0.250 M AgNO3 (aq) solution Contains 2.34g of silver nitrate?

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Q: About 6x 10°g of goldis thought to be dissolved in the oceans of the world. If the total volume of…

A: Given, Mass of gold = 6*109g Volume of ocean = 1.5 *1021L

Q: A student investigated the stoichiometry of the reaction of zinc (Zn) with HCl solution and reported…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: What is the molar concentration of a solution containing 75.0 g benzoic acid, HC7H5O2, in 650. mL of…

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Q: What is the molar concentration of a solution prepared by dissolving 2.46 g of Li2SeO3 in enough…

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Q: The sample contains CaCl2 and its concentration was 0.03M. Calculate grams of CaCl2 present in 100…

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Q: A sample weighing 3.056 g is a mixture of Fe, O, (molar mass = 159.69 g/mol) and Al, 0, (molar mass…

A:

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A: The balanced equation of the reaction is-

Q: and water. Write the balanced chemical equ

A: Balanced chemical equation is that in which number of different atoms of elements in reactant side…

Q: A volume of 125.0 mL of 0.565 M KOH (aq) is diluted with 425.0 mL of pure water.  What is the final…

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Q: How many moles of sulfuric acid,H2SO4, are neutralized by 23.46 mL of 0.238 M NaOH(aq)? Begin by…

A: The neutralization reaction of H2SO4 by NaOH takes place forming salt and water. It can be expressed…

Q: Calculate the molarity of sodium thiosulphate (vi) pentahydrate, Na2S2O3.5H2O.

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Q: A 998 mL NaCl solution is diluted to a volume of 1.14 L and a concentration of 3.00 mol L^−1. What…

A: The initial volume of the  solution = 998 mLThe final volume of the  solution = The final…

Q: What mass of Na2SO4 is required to precipitate all of the lead cations found in an 18.5 ml sample of…

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Q: Ammonia (NH3, MM 17.031 g/mol) and hypobromite (OBr) react according to the following chemical…

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Q: What is the concentration (in molarity) of the Na+ ions in 0.0525 M Na2SO4 (aq)

A: Given that concentration of  Na2SO4 = 0.0525 M And we know that , dissociation of Na2SO4  is…

Q: Apply the concepts of stoichiometry and solution concentration in this section.  Potassium iodide…

A: Answer: volume of KI Solution required is 795.6 mL.

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: By titration it is found that 28.7 milliliters of 0.155 M NaOH(aq) are required to neutralize 25.0…

A:

Q: Could someone please explain the list of steps asociated with the polyprotic reaction of Aluminum…

A: The question is based on the concept of salt hydrosis. we need to write polyprotic equations for…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

A:

Q: A concentrated perchloric acid solution is 69.8% HCIO4 by mass and its density is 1.68 g mL-1. What…

A: Using molarity formula and equation of dilution we can solve this problem.

Q: How many milliliters of 10.0 M HCl(aq) are needed to prepare 920.0 mL of 1.00 M HCl(aq)?

A: • The values provided in the question are:-       i) Initial concentration of HCl solution, M1 =…

Q: Calculate the mass in grams of solute needed to prepare 100 mL of a 0.597 mol/L solution of…

A:

Q: How many grams of oxalic acid, H2C2O4, are required to prepare 750. mL of a 0.250 M oxalic acid…

A: Molecular Wt of oxaclic acid = 1262 (no. of eq)g To find the grams of 0.25M oxalic acid needed for…