How many moles of ammonia are in 1.20 x10 25 molecules of ammonia?

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05-04-2018
Chemistry

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How many moles of ammonia are in 1.20 x10 25 molecules of ammonia?

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kenmyna kenmyna · Answer 1 · 2018-04-14T15:26:08+02:00

kenmyna kenmyna

14-04-2018

The moles of ammonia in 1.20 x10^25 molecules of ammonia is calculated as follows

by use of Avogadro constant

1moles = 6.02 x10^23

what about 1.20 x10^25 moles

by use of cross multiplication

= 1 mole x ( 1.20 x10^25) /( 6.02 x10^23) = 19.93 moles

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