Question

calcule a massa molecular dasseguintes swubstancias a na2 co3 b h2 co3

Answer 1

Na2
2Na-----23g . 2=46g/mol

CO3
C---12g . 1 =12g
3O-16g . 3 =48g
___________________________+
CO3----------60g/mol

H2
2H   1g . 2 =2g/mol

Answer 2

Resposta:

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