Question

Apply the law of constant proportion to calculate the mass of oxygen that will be used up for combustion of 5 g of hydrogen gas.

In detail with proper explanation

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Answer 1

Explanation:

i hope it is helpful for u

Answer 2

Answer:

hydrogen undergoes combustion to produced steam

2 H2 +O2=2H2O

2×2 gram. 32g =2×32g

4g of hydrogen for combustion required oxygen=32g

5g of hydrogen will required oxygen =32÷4×5=40g