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प्रश्न
How many moles are 3.6 g of water ?
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उत्तर
Given mass of water = 3.6g
Gram molecular mass of water = 18g
Therefore, 18g of water = 1 mole of water
So, 3.6g of water =`3.6/18` moles of water
Hence, 3.6g of water contain 0.2 moles of water.
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