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xoxoadara13ox07ck
28.11.2019 •
Chemistry
When a substance evaporates, what happens to the mass?
the mass increases as it changes from a liquid to a gas.
the mass decreases as it changes from a liquid to a gas.
the mass stays constant as it changes from a liquid to a gas.
there is no mass once the substance becomes a gas.
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Ответ:
Ответ:
Molar mass = (24.31 + 2 × 35.45) = 95.21 g mol–1 i.e. 95.21 g of MgCl2 is exactly 1 mole.
Explanation: