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Calculate percentage of Sodium in NaOH |
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Answer» First, WORK out the relative formula MASS of the compound, using the Ar values for each element. In the case of sodium hydroxide, these are Na = 23, O = 16, H = 1. (You will be given these numbers in the exam.) Next, divide the Ar of oxygen by the Mr of NaOH, and MULTIPLY by 100 to get a percentageExplanation:hopes it helps you |
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