Use a ratio to find out that x/190.2 = 74.5/100
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<span>H2PCH3 + H2O <-----> H3PCH3+ + OH-</span>
Answer:11.19
Explanation:
And one mole of a hydrogen atom is of 1.008 grams. So, 2 hydrogen moles weighs 2.016 grams. Hence, one mole of water has 2.016 grams of hydrogen mole. Therefore, the percentage composition of hydrogen would be 2.016/18.0152 = 11.19%.
They turn litmus paper blue.