Question

2 moles Of H2 burn to form 2 moles of H2O. what will be the mass of oxygen used up ?​

Answer 1

Answer:

The reaction requires 2 moles of hydrogen gas and 1 mole of oxygen gas to produce 2 moles of water. as we know, No of moles = mass /Molecular mass. Therefore, So, 1= mass of oxygen/32= mass of oxygen =32 is used.

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