tentukan mol 5,85 gram NaCl .(Ar Na = 23, Cl = 35, 5)
Kimia
Salamander37
Pertanyaan
tentukan mol 5,85 gram NaCl .(Ar Na = 23, Cl = 35, 5)
2 Jawaban
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1. Jawaban lailixnh
Mr NaCl=23+35,5=58,5
mol=gram/Mr
=5,85/58,5
=0,1mol -
2. Jawaban ridofajrimuhammad
mol NaCl = massa NaCl : Mr NaCl
= 5,85 : (n Na × Ar Na + n Cl × Ar Cl)
= 5,85 : (1×23 + 1×35,5)
= 5,85 : 58,5
= 0.1 mol