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Determine the amount of potassium chloride in each solution. express in 3 sig figs (A) 20.9 g of a solution containing 1.12 % KCl by

Determine the amount of potassium chloride in each solution.
express in 3 sig figs
(A) 20.9 g of a solution containing 1.12 % KCl
by mass
(B) 25.2 kg of a solution containing 17.7 % KCl
by mass
(C) 45 mg
of a solution containing 10 % KCl
by mass

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