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Cate grame si cati atomi sunt 5 kmoli de argint?

(VA ROG URGENT !!)​

Răspuns :

Mihaiimbrisca

Răspuns:

5kmol =5000moli

MAg=107g/mol

n=m/M

m=nxM=5000×107=535,000 g Ag

1mol Ag...........................6,023x10²³ atomi Ag

5000 moli Ag.................y atomi Ag

y=5000×6,023×10²³/1= 30.115x10²³ atomi Ag

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