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Mertsj
 2 years ago
Best ResponseYou've already chosen the best response.01 mole of decane contains avagadro's number of molecules or 6.023 x 10^23 molecules. So 8.01 moles contains : \[8.01\times 6.023\times 10^{23} molecules\]

Mertsj
 2 years ago
Best ResponseYou've already chosen the best response.0But each molecule of decane contains 22 atoms of hydrogen so multiply the above answer by 22 to get the atoms of hydrogen.

Raindrop
 2 years ago
Best ResponseYou've already chosen the best response.0I did that and it said I was wrong.

Mertsj
 2 years ago
Best ResponseYou've already chosen the best response.0Perhaps you entered your answer in the wrong form or didn't pay attention to significant digits.

Mertsj
 2 years ago
Best ResponseYou've already chosen the best response.0I got 1061.37 x 10^23 which would be 1.06 x 10^26

Mertsj
 2 years ago
Best ResponseYou've already chosen the best response.0Three significant digits are all we are entitled to.
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