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krek1111 [17]
3 years ago
13

What is the mass of 9.38*10^24 molecules of methanol?

Chemistry
1 answer:
Aleonysh [2.5K]3 years ago
5 0
<span>first what's the mass of 1 mole of CH3OH
</span>C = 12 
H3 = 3x1 = 3 
O = 16 
H =1 

<span>Total 32g So we know 6.02x10^23 molecules weigh 32g 
</span> 1 molecule weighs 32/6.02x10^23 g so 9.38*10^24 <span>molecules weighs
</span>9.38x10^24 x (32/6.02x10^23=<span>505g (to 3 sig figs</span>
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