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.A 7.88% (w/w) Fe(NO.). (fw = 241.86 ) solution has a density of 1.062 g/mL. Calculate...
A 5.09% (w/w) solution of Fe(NO3)3 (241.86 g/mol) has a density of 1.035 gmL. Calculate the...
A 5.09% (w/w) solution of Fe(NO3)3 (241.86 g/mol) has a density of 1.035 gmL. Calculate the molar analytical concentration of NO3 in the solution.
A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate(a) the molar...
A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate(a) the molar concentration of NiCl2 in this solution.(b) the molar Cl− concentration of the solution.(c) the mass in grams of NiCl2 contained in each liter of this solution.
If 2.63 g Fe(NO3), is dissolved in enough water to make exactly 460 mL of solution,...
If 2.63 g Fe(NO3), is dissolved in enough water to make exactly 460 mL of solution, what is the molar concentration of nitrate ion? M of Fe(NO3)3=241.86 g/mole
a 12.5% (w/w) nicl2 (129.61g/mol) solution has a density of 1.149 g/ml. calculate the molar...
a 12.5% (w/w) nicl2 (129.61g/mol) solution has a density of 1.149 g/ml. calculate the molar solution of nicl2
4) An aqueous solution 95.0% (w/w) H2SO4 has a density of 1.83 g/mL. Calculate the molarity...
4) An aqueous solution 95.0% (w/w) H2SO4 has a density of 1.83 g/mL. Calculate the molarity of this solution. 5) An enzyme with a molecular weight of 35,460 Daltons is commercially available as a 0.15g/100mL aqueous solution with a purity of 85%. Calculate the molarity of enzyme in this commercially available aqueous solution. 6) A solution of a protein with a molecular weight of 25,100 Daltons has a concentration of 1.85 x 10^-7 M. a) Convert this concentration to mM....
If 1.25 g Fe(NO3)3 is dissolved in enough water to make exactly 397 mL of solution,...
If 1.25 g Fe(NO3)3 is dissolved in enough water to make exactly 397 mL of solution, what is the molar concentration of nitrate ion?
Typical seawater contains 28 g of wdium chloride ( NCI, FW 5844) per 100 ml. (density...
Typical seawater contains 28 g of wdium chloride ( NCI, FW 5844) per 100 ml. (density 1.10) g/ml.). What is % (w/w, weight/weight) concentration of NaCl in the seawater? (20 points) a 2.45 % b. 2.55 % e. 2.65% d. 2.75% e. 2.85%
A solution containing 464.0 g of Mg(NO3)h per liter has a density of 1.114 g/mL. The...
A solution containing 464.0 g of Mg(NO3)h per liter has a density of 1.114 g/mL. The molarity of the solution is: 2.808 M O3.485 M 9.384 M 0 3.128 M O None of these choices are correct
I want to prepare 100.00 mL of a ≈0.1000 M KNO3 solution (FW = 101.1032 ±...
I want to prepare 100.00 mL of a ≈0.1000 M KNO3 solution (FW = 101.1032 ± 0.0008 g mol-1). I weigh out 2.1525 g of KNO3 and dissolve in 100 mL. What is the molar concentration with absolute/relative uncertainty? • the balance has an uncertainty of ± 0.0002 g • the volume has an uncertainty of ±0.08 mL
14. If a solution is made by dissolving 14.5 g of Fe(NO3)3 in 455 ml of...
14. If a solution is made by dissolving 14.5 g of Fe(NO3)3 in 455 ml of water, what is the mass percent of iron and nitrate in this solution? Assume 1.00 g/ml density of the water. 4 pts
A 5.09% (w/w) solution of Fe(NO3)3 (241.86 g/mol) has a density of 1.035 gmL. Calculate the molar analytical concentration of NO3 in the solution.
If 2.63 g Fe(NO3), is dissolved in enough water to make exactly 460 mL of solution, what is the molar concentration of nitrate ion? M of Fe(NO3)3=241.86 g/mole
Typical seawater contains 28 g of wdium chloride ( NCI, FW 5844) per 100 ml. (density 1.10) g/ml.). What is % (w/w, weight/weight) concentration of NaCl in the seawater? (20 points) a 2.45 % b. 2.55 % e. 2.65% d. 2.75% e. 2.85%
A solution containing 464.0 g of Mg(NO3)h per liter has a density of 1.114 g/mL. The molarity of the solution is: 2.808 M O3.485 M 9.384 M 0 3.128 M O None of these choices are correct
14. If a solution is made by dissolving 14.5 g of Fe(NO3)3 in 455 ml of water, what is the mass percent of iron and nitrate in this solution? Assume 1.00 g/ml density of the water. 4 pts
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