Даю 35 баллов помогите. Фото

3) Mr(HNO) = 1 * 1 + 1 * 14 + 3 * 16 = 63

(H) = 1 * 1 / 63 = 0.02 или 2%

(N) = 1 * 14 / 63 = 0.22 либо 22%

(O) = 3 * 16 / 63 = 0.76 либо 76%

4) Mr(MnSO) = 1 * 55 + 1 * 32 + 4 * 16 = 151

(Mn) = 1 * 55 / 151 = 0.36 либо 36%

(S) = 1 * 32 / 151 = 0.22 или 22%

(O) = 4 * 16 / 151 = 0.42 либо 42%

5) Mr(KSO) = 2 * 39 + 1 * 32 + 4 * 16 = 174

(K) = 2 * 39 / 174 = 0.45 либо 45%

(S) = 1 * 32 / 174 = 0.18 или 18%

(O) = 4 * 16 / 174 = 0.37 или 37%

6) Mr(FeSO) = 1 * 56 + 1 * 32 + 4 * 16 = 152

(Fe) = 1 * 56 / 152 = 0.37 либо 37%

(S) = 1 * 32 / 152 = 0.21 либо 21%

(O) = 4 * 16 / 152 = 0.42 либо 42%

7) Mr(Fe(SO)) = 2 * 56 + 3 * 32 + 12 * 16 = 400

(Fe) = 2 * 56 / 400 = 0.28 либо 28%

(S) = 3 * 32 / 400 = 0.24 или 24%

(O) = 12 * 16 / 400 = 0.48 или 48%

8) Mr(HPO) = 3 * 1 + 1 * 31 + 4 * 16 = 98

(H) = 3 * 1 / 98 = 0.03 или 3%

(P) = 1 * 31 / 98 = 0.32 либо 32%

(O) = 4 * 16 / 98 = 0.65 или 65%

9) Mr(CuSO) = 1 * 64 + 1 * 32 + 4 * 16 = 160

(Cu) = 1 * 64 / 160 = 0.4 или 40%

(S) = 1 * 32 / 160 = 0.2 либо 20%

(O) = 4 * 16 / 160 = 0.4 либо 40%