How many moles of AlF3 (molar mass = 83.98 g/mol) are present in 648.35 mL of 1.08 M AlF3 ? Write your answer to 2 places after the decimal point.

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 58.6 g of iron(II)…

A: Given, Mass of iron (II) bromide (FeBr2) = 58.6 g Volume of the flask = volume of the solution = 250…

Q: What is the mass of H2SO4 in 1.00 x 102 mL of 0.200 M H2SO4 solution?

A:

Q: 75.42 % mass solution of naquadah (FM naquadah = 160.28 g/mol) in water has a density of 1.175 g/mL.…

A:

Q: For the following questions (Q8-Q12), consider the compound tartrazine (Yellow 5 food dye) that has…

A: Mass of tartrazine = 0.1283 g

Q: How many mL of water is in 950.0 mL of a 0.25 M NaCl solution? The Density of NaCl=2.165g/mL

A: Molarity (M) The equation to calculate molarity is ; M=given massmolar mass×volume of solution(L)

Q: Suppose 0.707g of potassium iodide is dissolved in 200mL of a 16.0 M aqueous solution of silver…

A:

Q: Suppose 84.3 g of potassium dihydrogen phosphate (KH2PO4) are dissolved in 8.70 L of water. Find the…

A: I hope this is helpful If you have any doubt you can ask me for clarification.

Q: 1. A solution was prepared by dissolving 1210 mg of K3Fe(CN)6 (MM=329.2 g/mol) in sufficient water…

A:

Q: What is the concentration of a solution of 15.3 g of CuSO4 diluted to 400.0 mL with distilled water?…

A: Molar mass of CuSO4 = Atomic mass of Cu + Atomic mass of S + Atomic mass of O X 4 = 63.5 + 32 + 16 X…

Q: 4. You need to make 1 liter of a 5 M solution of sodium chloride (NaCl). The molecular weight of…

A:

Q: How many pg hydrogen are in 3.39 x 1015 ng of barium hydrogen carbonate hexahydrate?The answer must…

A: Given, Note: 1 ng = 10-9 g mass of barium hydrogen carbonate hexahydrate [Ba(HCO3)2.6H2O] = 3.39 ×…

Q: A chemist prepares a solution of potassium chloride (KCI) by measuring out 75.7 mg of KCI into a…

A: Given Mass of kcl = 75.7 mg = 0.0757 g Volume of solution = 100ml = 0.1L

Q: How would you prepare 70.0 mL of 0.400 M HNO3 from a stock solution of 4.00 M HNO3? What volume (in…

A:

Q: Suppose 0.802g of sodium iodide is dissolved in 50.mL of a 59.0mM aqueous solution of silver…

A: Balanced equation for the reaction of sodium iodide (NaI) and silver nitrate (AgNO3) is , NaI(aq) +…

Q: How many g of NaHCO3 are required to make 59.9 mL of a 0.511 M solution? Give your answer to 3…

A:

Q: Suppose 1.27 g of sodium bromide is dissolved in 100 ml. of a 50.0 m M aqueous solution of silver…

A: The question is based on the concept of solutions. we need to calculate concentration of bromide…

Q: What is the molarity of a solution that contains 126 g NaCl (molar mass = 58.44 g/mol) in 0.2 L…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: A chemist adds 145.0mL of a 0.0145/molL potassium dichromate K2Cr2O7 solution to a reaction flask.…

A:

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: Give that the solution is prepared by mixing KI(aq), Na2S2O3(aq), water, KBrO3(aq) and HCl(aq). Here…

Q: Assume household vinegar contains 5% acetic acid by weight and that the density of vinegar is the…

A: Given :  Volume of household vinegar = 404 ml  Density of vinegar = 1 gm/ml  Weight % of acetic acid…

Q: Jessica A chemist prepares a solution of silver(I) nitrate (AgNO3) by measuring out 319. μmol of…

A:

Q: A 0.25 M NaOH is to be standardized with KHP. How much 100% KHP (204.22 g/mol) should be weighed so…

A:

Q: How many moles of HCl are in 298 mL of 2.3 M HCl (density = 1.03 g/mL)?

A: The molarity is a concentration term.  It is defined as the ratio of no of moles of solute with that…

Q: Suppose 0.552g of zinc acetate is dissolved in 100.mL of a 22.0mM aqueous solution of ammonium…

A: zinc acetate = 0.552g aqueous solution of ammonium sulfate is ; 100.mL of a 22.0mM Volume of…

Q: How many moles of solute are present in 300. mL of a 0.60 M solution of NaOH? Please report your…

A:

Q: Mass percent is determined by the calculation 1. (grams solute grams solvent) x 100% 2. (grams…

A: Solution- Mass percent is the physical quantity used to define the concentration of the species Mass…

Q: What is the volume of concentrated HCl  to make 100 mL of 0.10 M HCl? ( density of concentrated HCl…

A: Molarity of the desired HCl solution, C = 0.10 M or 0.10 mol/L  Volume of the desired HCl solution,…

Q: 1. When you arrive at the lab, 2.0 M H2SO4(aq) and 2.0 M HC2H3O2(aq) will be present. You will need…

A: Since you have posted multiple questions, according to guidelines I am solving first one.If you want…

Q: Calculate the mass of potassium hydrogen phthalate (KHP) molar mass=204.22 your answer has the…

A:

Q: chemist adds 0.10L of a 1.30/molL iron(III) bromide FeBr3 solution to a reaction flask. Calculate…

A: Molarity =moles/volume  Moles=molarity*volume

Q: None

A: To calculate the concentration (in mol/L) of the barium chlorate solution, determining the number of…

Q: A chemist prepares a solution of zinc nitrate ( (Zn(NO)) by measuring out 71. pmol of zinc nitrate…

A: Concentration is the number of moles of solute present in 1 Liter or 1000mL of the solution

Q: What weight (in grams) of oxalic acid (MW= 90 g/mol) will be required to prepare 1 liter of 0.25 N?

A: