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CBSE Class 9 Answered

How to solve the given problem and which law of combination will be used?
Asked by Yashraj Limkar | 13 Oct, 2013, 11:08: AM
Expert Answer
The Law of Constant proportion will be used.
The law of constant proportions states that in a chemical substance the elements are always present in definite proportions by mass. Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water. Thus, in order to form water, 3 × 8 = 24 g of oxygen will react completely with 3 g of hydrogen gas.
Answered by Hanisha Vyas | 13 Oct, 2013, 03:53: PM
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