The equation for the reaction between lithium and water is
2Li(s) + 2H2O(l) o 2LiOH(aq) + H2(g)
(i) A mass of 0.500 g of lithium reacts with an excess of water.
Calculate the volume, in cm3
, of hydrogen gas produced at rtp.
[molar volume of a gas at rtp = 24 000 cm3
]
Give your answer to three significant figures.
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Ответ:
memorise them
Explanation:
1, 2, skip metals, 3, 0, -3, -2, -1