Răspuns:
n=m/M=10/40=0.25 moli
M(Ca)= 40 unitati atomice de masa
1 mol....6,023×10^23 atomi
0.25 moli....x
x=1,50575×10^23 atomi Ca
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Răspuns:
n=m/M=10/40=0.25 moli
M(Ca)= 40 unitati atomice de masa
1 mol....6,023×10^23 atomi
0.25 moli....x
x=1,50575×10^23 atomi Ca