# chemistry

10g of hydrogen is burnt in the presence of excess oxygen.the mass of water formed is?

1. 2H2 + O2 = 2H2O

10g of H2 is 5 moles.
Each mole of H2 produces a mole of H2O,
so, you will get 5 moles of water.

Just convert that to grams for the mass.

posted by Steve
2. 5*18=90g

posted by sasha
3. 196g

posted by ..
4. 10G of hydrogen burnt in the presence of excess of oxygen, the mass of water is formed?

posted by Anonymous

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