2. H and O combines in the ratio of 1 :8 by mass to form water. What mass of O will be required to react with 4 g of H .
a. 2g c 16g
b. 32g d 8g
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It will be 16 g as the ratio is 1:8 if we multiply 4 by one then we have to multiply by 8 also as per laws so by cutting we get 16 (hydrogen mass 1g , oxygen mass 16 g)
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