Problem 112
A \(150 \mathrm{~mL}\) sample of \(0.450 \mathrm{M} \mathrm{HNO}_{3}\) is diluted to \(450 \mathrm{~mL}\). What is the molarity of the resulting solution?
Problem 113
To what volume must \(25.0 \mathrm{~mL}\) of \(18.0 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}\) be diluted to produce \(1.50 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4} ?\)
Problem 114
To what volume must \(50.0 \mathrm{~mL}\) of \(1.50 \mathrm{M} \mathrm{HCl}\) be diluted to produce \(0.200 \mathrm{M}\mathrm{HCl}\) ?
Problem 115
How many milliliters of water must be added to \(150.0 \mathrm{~mL}\) of \(2.50 \mathrm{M} \mathrm{KOH}\) to give a \(1.00 \mathrm{M}\) solution? (Assume the volumes are additive.)
Problem 116
How many milliliters of water must be added to 120.0 \(\mathrm{mL}\) of \(1.50 \mathrm{M} \mathrm{HCl}\) to give \(1.00 \mathrm{M} \mathrm{HCl}\) ? (Assume the volumes are additive.)
Problem 117
Calculate the number of moles of each of the ions in the following solutions. (a) \(32.3 \mathrm{~mL}\) of \(0.455 \mathrm{M} \mathrm{CaCl}_{2}\) (b) \(50.0 \mathrm{~mL}\) of \(0.408 \mathrm{MAlCl}_{3}\)
Problem 118
Calculate the number of moles of each of the ions in the following solutions. (a) \(18.5 \mathrm{~mL}\) of \(0.402 \mathrm{M}\left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}\) (b) \(30.0 \mathrm{~mL}\) of \(0.359 \mathrm{MAl}_{2}\left(\mathrm{SO}_{4}\right)_{3}\)
Problem 119
Calculate the concentrations of each of the ions in (a) \(0.25 M \mathrm{Cr}\left(\mathrm{NO}_{3}\right)_{2}\), (b) \(0.10 \mathrm{M} \mathrm{CuSO}_{4}\), (c) \(0.16 \mathrm{M}\) \(\mathrm{Na}_{3} \mathrm{PO}_{4},\) (d) \(0.075 \mathrm{M} \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3}\)
Problem 120
Calculate the concentrations of each of the ions in (a) \(0.060 \mathrm{M} \mathrm{Ca}(\mathrm{OH})_{2},\) (b) \(0.15 \mathrm{M} \mathrm{FeCl}_{3}\), (c) \(0.22 M\) \(\mathrm{Cr}_{2}\left(\mathrm{SO}_{4}\right)_{3}\) (d) \(0.60 \mathrm{M}\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\)
Problem 123
How many milliliters of \(0.258 \mathrm{M} \mathrm{NiCl}_{2}\) solution are needed to react completely with \(20.0 \mathrm{~mL}\) of \(0.153 \mathrm{M}\) \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) solution? How many grams of \(\mathrm{NiCO}_{3}\) will be formed? The reaction is \(\mathrm{Na}_{2} \mathrm{CO}_{3}(a q)+\mathrm{NiCl}_{2}(a q) \longrightarrow \mathrm{NiCO}_{3}(s)+2 \mathrm{NaCl}(a q)\)
