Question

a mixture of gases contains h2 and o2 gases in the ratio of 1 : 4 (w/w). What is the molar ratio of the two gases in the mixture? 1. 1 : 4 2. 4 : 1 3. 16 : 1 4. 2 : 1

Answer 1

that is aqau regia a mixture of gases contains h2 and o2 gases in the ratio of 1 : 4 (w/w).

Answer 2

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Number of moles (n) = Given mass (m).. / Molar mass (M)

As the ratio by weight of Hydrogen and Oxygen is 1:4

Molar ratio will be = nH2/nO2=1/2/4/32
=32/8=4

The molar ratio of Hydrogen and Oxygen is 4:1

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