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arturmarsh
@arturmarsh
August 2022
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Вычислите какое число молекул содержится: а) в 1 г аммиака, б) в 1 мл водорода?
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Potassium
A) m(NH3) = 1 г
n(NH3) = m/M = 1/17 = 0.06 моль
n = N/Na
0.06 = N/6.02*10²³
N = 6.02*10²³*0.06 = 0.3612*10²³ молекул.
b) V(H2) = 0.001 л
n = V/Vm
n = 0.001/22.4 моль
n = N/Na
(0.001/22.4) * 6.02*10²³ = N
2 votes
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Answers & Comments
n(NH3) = m/M = 1/17 = 0.06 моль
n = N/Na
0.06 = N/6.02*10²³
N = 6.02*10²³*0.06 = 0.3612*10²³ молекул.
b) V(H2) = 0.001 л
n = V/Vm
n = 0.001/22.4 моль
n = N/Na
(0.001/22.4) * 6.02*10²³ = N