3 years ago

PLEASE HELP IM DYING OF CHEMISTRY, I NEED HELP FINDING ATOMIC MASS WITH ISOTOPES

Chemistry

1 answer:

Nikolay [14]3 years ago

5 0

Answer:

option A is correct

Explanation:

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Hydrogen gas is collected over water in an inverted buret. If the atmospheric pressure is 745 mm Hg, the vapor pressure of water

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$P_{H_2}=727mmHg$

Explanation:

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In this case, according to the given data, it is possible to infer that the gas mixture lies on the 15.0 cm-high column of water, so that the total pressure or atmospheric pressure is given by:

$P_{atm}=P_{water}+P_{H_2}$