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asasasq
@asasasq
July 2022
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128 кг мыстағы атомдар санын есептеп табыңыз
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shakha2017
Verified answer
128кг=128000г
N(A)=6.023*10^23
M(Cu)=64г/моль
n=m÷M=128000÷64=2000=2*10^3 моль
N=n×N(A)=2*10^3×6,023*10^23=12,046*10^26
Жауап:
N=12,046*10^26
3 votes
Thanks 3
qmxz
M(Cu)=64
N=N.A×m/M=6.02*10²³×128*10³/64=12.04*10²⁶
3 votes
Thanks 1
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Answers & Comments
Verified answer
128кг=128000гN(A)=6.023*10^23
M(Cu)=64г/моль
n=m÷M=128000÷64=2000=2*10^3 моль
N=n×N(A)=2*10^3×6,023*10^23=12,046*10^26
Жауап:
N=12,046*10^26
N=N.A×m/M=6.02*10²³×128*10³/64=12.04*10²⁶