Question

calcule a massa molar de:  Co2

Answer 1

C=12g
O=16
16x2=32
32+12=44g\mol 

Answer 2

Bom, temos pela tabela que;

C = 12 g/mol

O = 16 g/mol

CO2 = ??

C = 12*1 = 12

O = 16*2 = 32

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Massa molar = 44 g/mol