quypham2009vng quypham2009vng

13-12-2022
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contestada

lập công thức hóa học và tính phân tử khối của các chất được tạo bởi :

a. K và O

b.Ca và Cl

c. Al và nhóm NO3

d. BA và NHÓM OH

e.ZN và nhóm PO4

Respuesta :

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