Chemistry, asked by yoyogouse, 1 year ago

4. Calculate the percentage composition of sodium in sodium hydroxide

Answers

Answered by ArchisRocker

69

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 percentage.

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Answered by ABHISHEKKORE

59

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