Fe(NO3)2 CH3COOH Ca(NO3)2 Al2(SO4)3 Al(NO3)3 NaNo3 NH4NO3 Fe2(SO4)3 HCL KMnO4 Tolong hitungan Mrnya ya

Al2(SO4)3
Al : 2 x 27 = 54
S : 3 x 32 = 96
O : 12 x 16 = 192
Mr --> 341

Al(NO3)3
Al : 1 x 27 = 27
N : 3 x 14 = 42
O : 9 x 16 = 144
Mr --> 213

NaNO3
Na : 1 x 23 = 23
N : 1 x 14 = 14
O : 3 x 16 = 48
Mr --> 85

NH4NO3
N : 2 x 14 = 28
H : 4 x 1 = 4
O : 3 x 16 = 48
Mr --> 80

Fe2(SO4)3
Fe : 2 x 56 = 112
S : 3 x 32 = 96
O : 12 x 16 = 192
Mr --> 400

HCl
H : 1 x 1 = 1
Cl : 1 x 35 = 35
Mr --> 36

KMnO4
K : 1 x 39 = 39
Mn : 1 x 55 = 55
O : 4 x 16 = 64
Mr --> 158


Ada lagi??
Apakah menbantu?
Maaf jika ada kesalahan...