Answer:
CuSO4
Step-by-step explanation:
moles Cu = 14.980/ 63.546 =0.236
moles S = 7.557 / 32.066 =0.236
moles O = 15.107 / 15.999 =0.944
0.944 / 0.236 = 4
4.5m questions
5.9m answers