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10 mL of H(2) contain 2000 molecules und...

`10 mL` of `H_(2)` contain 2000 molecules under certain temperature and pressure. Calculate the number of molecules of oxygen whose volume is 150 mL at the same temperature and pressure.

Text Solution

Verified by Experts

According to Avogadro's Law,
10 mL of `O_(2)` also contain = 2000 molecules
`:.` 150 mL of `O_(2)` will contain `= ((150mL))/((10 mL))xx(2000" molecules")` = 30,000 molecules.
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