Hacer4321rans
Answered

10. MgSo.nH2O bileşiğinin 0,01 molü 2,46 gram olduğu- na göre kristal suyunu gösteren formüldeki n sayısı kaçtır? (MgSO4:120 g/mol, H20:18 g/mol)
A) 3
B) 4
C) 5
D) 6
E) 7

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Sagot :

XOnurKayaxrans

Cevap:

E

Açıklama:

0,01 mol 2,46 gram ise 1 mol 246 gram

1 mol MgSO4 120 gram

246-120=126

1 mol H2O= 18 gram

126/18=7

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