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1) Calcula la masa molecular para las siguientes sustancias f) Mg3(PO4)2 g) Cu(NO2)3 h) C5H12 i) (NH4)4 As2O7 j) I2O7 2)Halla la composición porcentual de cada una de las siguientes sustancias - H3PO4
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1) Calcula la masa molecular para las siguientes sustancias

f) Mg3(PO4)2
g) Cu(NO2)3
h) C5H12
i) (NH4)4 As2O7
j) I2O7

2)Halla la composición porcentual de cada una de las siguientes sustancias

- H3PO4
• HIO3
• H2C2O4
• C3H6O3
• NH3
• KBr



Porfavor es para mañana mismo

User Pushpendre
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User Andrey Pushkarev
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