calculate the volume, mass and number of molecules of hydrogen liberated 575gm of sodium reacts with excess of water at STP
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It means that one mole of hydrogen also occupies 22.4litres of volume at STP. So 10moles of hydrogen gas will occupy =22.4×10=224litres of volume at STP. So the volume of hydrogen gas evolved is 224litres or 224000mL when 460g of sodium reacts with excess water at STP.
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