An analytical procedure requires a solution of chloride ions. How many grams of BaCl2 must be dissolved to make 229 ml of 0.7 M CH (M BaCl2 = 208 g/mol) Answer: mass(g) =

Q: How many grams of solute are present in 55.6 mL of 0.467 M Fe(NO3)3?

A: Given: Volume of solution =55.6 ml                                =0.0556 L Molarity of Fe(NO3)3=…

Q: 4.A student dissolves 1.18g H2C204. 2H20 (MM= 126.07 g/mol) in water and titrates the solution with…

A: Given, H2C2O4 + 2NaOH ➝ Na2C2O4 + 2H2O mass of H2C2O4.2H2O = 1.18 g molar mass of H2C2O4.2H2O =…

Q: A soluble Iodide was dissolved in water. Then an excess of silver nitrate, AgNO3, was added to…

A: Given data  mass of soluble Iodide sample  = 1.545 g mass of AgI formed = 2.185 g Standard values…

Q: Suppose 3.32 g of sodium chloride is dissolved in 100. mL of a 0.60 Maqueous solution of potassium…

A:

Q: 1. A 4.00 mL sample of vinegar (active ingredient, acetic acid) was titrated with 0.1250M NAOH…

A: The given volume of acetic acid is 4.0 mL.The given molarity and volume of NaOH is 0.1250 M and…

Q: A student prepares a 250.0 ml stock solution containing 10.41 g of calcium chloride. a. What is the…

A:

Q: 100.0 mL of an aqueous solution containing 0.250 M KOH(aq) is mixed with 100.0 mL of an aqueous…

A: First of all, we need to write down the balanced chemical.  The molar mass of Fe(OH)3 = 106.87g/mol

Q: III. Hydrogen peroxide is used as a cleaning agent in the treatment of cuts and abrasions for…

A: Concept based on stoichiometry.

Q: Suppose 3.27g of sodium chloride is dissolved in 250.mL of a 77.0mM aqueous solution of silver…

A: We are given that 3.27 gm NaCL dissolves in 77.0 mM aqueous solution  therefore reaction reaction…

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: Two solutions are mixed: 25.0 mL of 0.170 M barium nitrate and 50.0 mL of 0.115 M potassium…

A:

Q: What NaClNaCl concentration results when 304 mL304 mL of a 0.770 M0.770 M NaClNaCl solution is mixed…

A: Given: V1 = 304 mL  M1 = 0.77 M V2 = 542 mL M2 = 0.25 M

Q: What NaClNaCl concentration results when 284 mL of a 0.800 M NaCl solution is mixed with 492 mL of a…

A: Molarity = number of moles of solute / volume of solution (L)

Q: Enter your answer in the provided box. Sodium carbonate (Na,CO2) is available in very pure form and…

A: Given that, Sodium carbonate (Na2CO3) is present in very pure form and can be used as to standardize…

Q: What is the concentration of NaCl in a solution if titration of 15.00 mL of the solution with 0.2503…

A: Given: Volume of NaCl V1= 15.00mL Volume of AgNO3 V2=20.22mL Molarity of AgNO3 M2= 0.2503M To find:…

Q: Suppose 27.2 g of potassium chloride is dissolved in 250. mL of a 0.40 M aqueous solution of silver…

A: Amount of KCl = 27.2 g / 74.5513 g mol-1 KCl = 0.36485 mol = Cl = 0.36485 mol Amount of Agcl = Ag =…

Q: If 28.8 mL of lead(II) nitrate solution reacts completely with excess sodium iodide solution to…

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Q: If 91.9 mL of a 2.17 M solution is diluted to a volume of 218.2 mL, what is the final molar…

A:

Q: Exactly 10.0 grams of iron(III) sulfate (molar mass = 400 g/mol) was dissolved in enough water to…

A:

Q: 1. Forgetful Freddy weighed his KHP sample, but forgot to bring his report sheet along, so he…

A: The balanced reaction of KHP and NaOH is given as follows:

Q: -what is the molarity of the solution if 50.0 mL of the solution is diluted? 2-what is the molarity…

A: Given -> Volume=  = 0.725 L  Weight of NaBr = 27.0 gm

Q: The effluent water from a industry has the following composition. (1) If the effluent water contains…

A: Answer :- 0.054 M  Molarity = 0.054 M…

Q: A chemist prepares a solution of iron III  chloride    FeCl3    by measuring out  0.40g  of…

A: Given : mass of FeCl3 dissolved = 0.40 g And volume of solution prepared = 100 mL = 0.100 L…

Q: What is the concentration (in M) of a sodium chloride(NaCl) solution prepared by dissolving 16.5 g…

A: Molarity is the ratio of number of moles of solute to the volume of solution (in L)  number of moles…

Q: Concentrated nitric acid (HNO3) has a density of 1.42 g/mL and is 70.0% nitric acid.  Calculate the…

A: Molarity (M) = 1000 x W/(MM x V) Where, W = mass of solute in gram; MM = molar mass of solute and V…

Q: A medical lab is testing a new anticancer drug on cancer cells. The drug stock solution…

A: Given drug stock solution is 1.5×10-9 M.Molarity = moles per liter (mol/L).Moles in 1 mL of this…

Q: A stock solution of nitric acid is found in the back of the chem stock room, but the concentration…

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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: 5.7418 g of iron III nitrate (Fe(NO3)3), MW = 241.9 g/mol), a soluble ionic compound, is dissolved…

A: Given, Mass of iron (III) nitrate [Fe(NO3)3] = 5.7418 g Molecular Weight of iron (III) nitrate…

Q: a) What is the mass of solute, in grams, in 600. mL of a 0.0268 M solution of KClO3? b)What is the…

A: given  concentration of  KClO3 = 0.0268M volume of solution = 600 ml = 0.6 L

Q: Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to…

A: 1. We have 29.3 ml of 0.557 M of NaOH solution, which we are titrating with KHP. We have to…

Q: What NaCl concentration results when 279 mL of a 0.720 M NaCl solution is mixed with 422 mL of a…

A: Molarity = number of moles of solute / volume of solution (L)

Q: A laboratory procedure calls for making 400.0 mL of a 1.1 M NaNO3 solution. What mass of NaNO3 (in…

A: Use molarity as a conversion factor in order to convert liters into moles. Then use molar mass to…

Q: What is the resulting concentration in molarity when 250.0 mL of 0.1432 M of HCl was mixed with…

A:

Q: A laboratory procedure calls for making 420.0 mL of a 1.3 M NaNO3 solution. What mass of NaNO3 (in…

A: The molarity(M) of a solution can be represented as the number of moles of solute(n) found in one…

Q: Suppose 4.08 g of sodium chloride is dissolved in 200. mL of a 0.30 M aqueous solution of silver…

A: To calculate the Concentration of chloride ion we have to first calculate the amount of NaCl left…

Q: Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to…

A: Molarity of a solution is defined as the number of moles of solute present in one-liter solution,…

Q: What is the molarity of a solution that was prepared by dissolving 14.2 g of NaNO3 in enough water…

A: Molarity is defined as the number of moles of solute dissolved per litre of solution.

Q: Suppose you are titrating vinegar, which is an acetic acid solution of unknown concentration, with a…

A:

Q: Complete the following dilution problems: What volume (in mL) of a 5.2 M solution is needed to…

A: The addition of more solvent into any specified solution is known as dilution. The concentration or…

Q: Enter your answer in the provided box. Sodium carbonate (Na,CO3) is available in very pure form and…

A: Mass of Na2CO3 = 0.266 g  Molar mass of Na2CO3 = 106 g /mol  Volume of HCl = 25.3 mL = 0.0253 L…

Q: When a 50 mL of 1.25 M NH4Cl is mixed with 175 mL of 0.125 M NH4Cl, what will be the concentration…

A: Given :-  solution A : 50 mL of 1.25 M NH4Cl   solution B : 175 mL of 0.125 M NH4Cl  To calculate :…

Q: Exactly 6.21 g of MgCl2 (molar mass - 95.2 g/mol) was dissolved in water. An analysis indicated that…

A:

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: If 2.00 g of Mg reacts completely reacts with 50.0 mL of HCl solution, what is the molarity of the…

A:

Q: A salt solution is added to a marine aquarium. What mass of sodium chloride (NaCl, 58.44 g/mol) is…

A: The volume of the given solution is 250.0 mL which is equal to 0.250 L. The concentration of the…

Q: The equation for dilution of a solution is   ?1?1=?2?2M1⁢V1=M2⁢V2   where ?1M1 and ?1V1 are the…

A: The equation for dilution of a solution is given by, => M1V1 = M2V2  Where M1 = Initial…

Q: You mix 500.0 ml of 0.250 M iron(III) chloride solution with 225.0 mL of 0.350 M barium chloride…

A: Iron Chloride, FeCl3 Molarity = 0.25 M and volume = 500 mL Barium chloride, BaCl2 Molarity = 0.35 M…

Q: 23) What mass of NH4Cl crystals would be required to make 400. g of 15% NH4Cl solution?   Group of…

A: Mass percent :-  The mass of solute present in 100 g of solution is defined as mass percent of…

Q: Consider the following unbalanced equation: Zn (s) + HCl (aq) → ZnCl2 (aq) + H2 (g) What…

A: Given,  Zn (s) + 2HCl (aq) → ZnCl2 (aq) + H2 (g) Mass of Zn= 0.5065 g  Molarity of HCl= 0.1260 M…