Problem 99
Write balanced molecular, ionic, and net ionic equations for the following pairs of reactants. If all ions cancel, indicate that no reaction (N.R.) takes place. (a) sodium sulfite and barium nitrate (b) formic acid \(\left(\mathrm{HCHO}_{2}\right)\) and potassium carbonate (c) ammonium bromide and lead(II) acetate (d) ammonium perchlorate and copper(II) nitrate
Problem 100
Write balanced molecular, ionic, and net ionic equations for the following pairs of reactants. If all ions cancel, indicate that no reaction (N.R.) takes place. (a) ammonium sulfide and sodium hydroxide (b) chromium(III) sulfate and potassium carbonate (c) silver nitrate and chromium(III) acetate (d) strontium hydroxide and magnesium chloride
Problem 103
Calculate the molarity of a solution prepared by dissolving (a) \(0.17 \mathrm{~mol}\) sulfuric acid in \(85 \mathrm{~mL}\) of solution. (b) \(7.5 \times 10^{-3} \mathrm{~mol}\) of sodium nitrate in a total volume of \(13.5 \mathrm{~mL}\) of solution.
Problem 104
Calculate the molarity of a solution that contains (a) \(2.00 \times 10^{-3}\) mol cobalt(II) sulfate in \(35.0 \mathrm{~mL}\) of solution. (b) 2.75 mole potassium hydroxide in a total volume of \(135 \mathrm{~mL}\) of solution.
Problem 105
Calculate the molarity of a solution prepared by dissolving (a) \(4.00 \mathrm{~g}\) of sodium hydroxide in a total volume of \(100.0 \mathrm{~mL}\) of solution. (b) \(16.0 \mathrm{~g}\) of calcium chloride in a total volume of \(250.0 \mathrm{~mL}\) of solution.
Problem 106
Calculate the molarity of a solution that contains (a) \(3.60 \mathrm{~g}\) of sulfuric acid in \(450.0 \mathrm{~mL}\) of solution. (b) \(0.001 \mathrm{~g}\) of iron(II) nitrate in \(12.0 \mathrm{~mL}\) of solution.
Problem 107
How many milliliters of \(0.265 \mathrm{M} \mathrm{NaC}_{2} \mathrm{H}_{3} \mathrm{O}_{2}\) are needed to supply \(14.3 \mathrm{~g} \mathrm{NaC}_{2} \mathrm{H}_{3} \mathrm{O}_{2} ?\)
Problem 108
How many milliliters of \(0.615 \mathrm{M} \mathrm{HNO}_{3}\) contain \(1.67 \mathrm{~g}\) \(\mathrm{HNO}_{3}^{?}\)
Problem 109
Calculate the number of grams of each solute that has to be taken to make each of the following solutions. (a) \(125 \mathrm{~mL}\) of \(0.200 \mathrm{M} \mathrm{NaCl}\) (b) \(250.0 \mathrm{~mL}\) of \(0.360 \mathrm{M} \mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\) (c) \(250.0 \mathrm{~mL}\) of \(0.250 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}\)
Problem 111
If \(25.0 \mathrm{~mL}\) of \(0.56 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}\) is diluted to a volume of \(125 \mathrm{~mL}\), what is the molarity of the resulting solution?