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Calculate the mass of hydrogen liberated when 230 g of sodium reacts with excess of water at STP.(atomic masses of Na = 23U, O = 16U, and H = 1U) |
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Answer» f Na GIVES------ ? g of hydrogen. 230g x 2g / 46 g = 10g of Hydrogen. 1 gram molar mass of any GAS at STP i.e., standard temperature 273 K and standard pressure 1 bar, occupies 22.4 litres known as gram molar VOLUME. |
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