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Mobile App Problem 62
Calculate the molarity of each solution. (a) \(33.2 \mathrm{~g}\) of \(\mathrm{KCl}\) in \(0.895 \mathrm{~L}\) of solution (b) \(61.3 \mathrm{~g}\) of \(\mathrm{C}_{2} \mathrm{H}_{6} \mathrm{O}\) in \(3.4 \mathrm{~L}\) of solution (c) \(38.2 \mathrm{mg}\) of \(\mathrm{KI}\) in \(112 \mathrm{~mL}\) of solution
Problem 63
A 205-mL sample of ocean water contains \(6.8 \mathrm{~g}\) of \(\mathrm{NaCl}\). What is the molarity of the solution with respect to \(\mathrm{NaCl}\) ?
Problem 64
A \(355-\mathrm{mL}\) can of soda pop contains \(41 \mathrm{~g}\) of sucrose \(\left(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}\right)\). What is the molarity of the solution with respect to sucrose?
Problem 65
How many moles of \(\mathrm{NaCl}\) are contained in each solution? (a) \(1.5 \mathrm{~L}\) of a \(1.2 \mathrm{M} \mathrm{NaCl}\) solution (b) \(0.448 \mathrm{~L}\) of a \(0.85 \mathrm{M} \mathrm{NaCl}\) solution (c) \(144 \mathrm{~mL}\) of a \(1.65 \mathrm{M} \mathrm{NaCl}\) solution
Problem 66
How many moles of sucrose are contained in each solution? (a) \(3.4 \mathrm{~L}\) of a \(0.100 \mathrm{M}\) sucrose solution (b) \(0.952 \mathrm{~L}\) of a \(1.88 \mathrm{M}\) sucrose solution (c) \(21.5 \mathrm{~mL}\) of a \(0.528 \mathrm{M}\) sucrose solution
Problem 67
What volume of each solution contains \(0.15 \mathrm{~mol}\) of \(\mathrm{KCl}\) ? (a) \(0.255 \mathrm{M} \mathrm{KCl}\) (b) \(1.8 \mathrm{M} \mathrm{KCl}\) (c) \(0.995 \mathrm{M} \mathrm{KCl}\)
Problem 68
What volume of each solution contains \(0.325 \mathrm{~mol}\) of \(\mathrm{NaI}\) ? (a) \(0.152 \mathrm{M} \mathrm{NaI}\) (b) \(0.982 \mathrm{M} \mathrm{Nal}\) (c) \(1.76 \mathrm{M} \mathrm{Nal}\)
Problem 71
Calculate the mass of \(\mathrm{NaCl}\) in a \(35-\mathrm{mL}\) sample of a \(1.3 \mathrm{M}\) NaCl solution.
Problem 72
Calculate the mass of glucose \(\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)\) in a \(105-\mathrm{mL}\) sample of a \(1.02 \mathrm{M}\) glucose solution.
Problem 73
A chemist wants to make \(2.5 \mathrm{~L}\) of a \(0.100 \mathrm{M} \mathrm{KCl}\) solution. How much \(\mathrm{KCl}\) in grams should the chemist use?
