91Ó°ÊÓ

How many grams of \(\mathrm{K}_{2} \mathrm{CO}_{3}\) are in \(750 \mathrm{~mL}\) of a \(3.5 \%(\mathrm{~m} / \mathrm{v})\) \(\mathrm{K}_{2} \mathrm{CO}_{3}\) solution?

How many milliliters of a \(12 \%(\mathrm{v} / \mathrm{v})\) propyl alcohol solution would you need to obtain \(4.5 \mathrm{~mL}\) of propyl alcohol?

What is the molarity of a solution containing \(15.6 \mathrm{~g}\) of \(\mathrm{KCl}\) in \(274 \mathrm{~mL}\) of \(\mathrm{KCl}\) solution?

A solution contains \(4.56 \mathrm{~g}\) of \(\mathrm{KCl}\) in \(175 \mathrm{~mL}\) of solution. If the density of the \(\mathrm{KCl}\) solution is \(1.12 \mathrm{~g} / \mathrm{mL}\), what are the mass percent \((\mathrm{m} / \mathrm{m})\) and molarity (M) for the potassium chloride solution?

Potassium fluoride has a solubility of \(92 \mathrm{~g}\) of \(\mathrm{KF}\) in \(100 \mathrm{~g}\) of \(\mathrm{H}_{2} \mathrm{O}\) at \(18^{\circ} \mathrm{C}\). State if each of the following mixtures forms an unsaturated or saturated solution at \(18^{\circ} \mathrm{C}\) : a. \(35 \mathrm{~g}\) of \(\mathrm{KF}\) and \(25 \mathrm{~g}\) of \(\mathrm{H}_{2} \mathrm{O}\) b. \(42 \mathrm{~g}\) of \(\mathrm{KF}\) and \(50 . \mathrm{g}\) of \(\mathrm{H}_{2} \mathrm{O}\) c. \(145 \mathrm{~g}\) of \(\mathrm{KF}\) and \(150 . \mathrm{g}\) of \(\mathrm{H}_{2} \mathrm{O}\)

How many milliliters of a \(1.75 \mathrm{M} \mathrm{LiCl}\) solution contain \(15.2 \mathrm{~g}\) of \(\mathrm{LiCl} ?\)