Calculate the number of moles in 100g of H2O
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no of moles = mass of the substance / atomic mass of the substance
atomic mass oh H2O = 2 atoms of H & 1 atom of O= 2 * 1 + 16 = 2 + 16 = 18
no of moles = 100 ÷ 18
= 5.5556 moles
atomic mass oh H2O = 2 atoms of H & 1 atom of O= 2 * 1 + 16 = 2 + 16 = 18
no of moles = 100 ÷ 18
= 5.5556 moles
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