g A 12.61 g sample of NaBr contains 22.34 % Na by mass. Considering the law of constant composition (definite proportions), how many grams of sodium does a 6.81 g sample of sodium bromide contain

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# G A 12.61 g sample of NaBr contains 22.34 % Na by mass. Considering the law of constant composition (definite

g A 12.61 g sample of NaBr contains 22.34 % Na by mass. Considering the law of constant composition (definite proportions), how many grams of sodium does a 6.81 g sample of sodium bromide contain