Объяснение:
1) 4(CuOH)2CO3= {Cu=8 O=20 H=8 C=4}
2) 10(Na2SO4•10H20)={Na=20 S=10 H=200 O=140}
3) 2(AI(OH)2)2CO3 = {Al=4 H=8 C=2 O=14}
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Объяснение:
1) 4(CuOH)2CO3= {Cu=8 O=20 H=8 C=4}
2) 10(Na2SO4•10H20)={Na=20 S=10 H=200 O=140}
3) 2(AI(OH)2)2CO3 = {Al=4 H=8 C=2 O=14}