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What is the percent by mass of sodium (na) in sodium chloride?
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Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?
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How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.
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What is the percent by mass of sodium (na) in sodium chloride?...
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