The ratio by mass for hydrogen and oxygen in water is given as 1: 8 respectively. Calculate the ratio by number of atoms for a water molecule


The ratio by the number of atoms for a water molecule are:
Elements Ration by massAtomic massmass ratio/ Atomic massSimplest ratio
H111/1 = 12
O8168/16 = 1/21
Thus, the ratio by the number of atoms for water is H : O = 2 : 1.

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Updated on: 14-Mar-2023

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