Обчислити молярну масу речовин:
1. Fe2(So4)3
2. (CaCO3)2CO2
3. KAC(OH)4
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Answers & Comments
2. (CaCO3)2CO3 = 2*40 + 2*12 + 16*6 + 12 + 16*3 = 260
3. KAl(OH)4 = 39 + 27 + 16*4 + 1*4 = 134