Question

find the molecular mass of reactants and products. 2H2O-----2H2+O2​

Answer 1

Explanation:

reactant - 20 u

product - 36 u

Answer 2

Answer:

Correct option is

A

32

2H

2

+O

2

→2H

2

O

Molecular mass of H

2

=2 g/mol

Molecular mass of O

2

=32 g/mol

From the balanced chemical equation,

2×2=4 g of hydrogen requires 32 g of Oxygen to react completely

Explanation:

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