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प्रश्न
What is the mass of 0.5 mole of water molecules?
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उत्तर
Mass of one mole of water molecule = 18 g
Then, mass of 0.5 mole of water molecules = 0.5 × 18 g = 9 g
संबंधित प्रश्न
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(iv) The mass in grams of Cr2O3 formed at the same time
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