Question

Calcule a Massa molecular de:
Ch3oh
Kmno4
H3po4

Answer 1

a) CH3OH = 12 + 1 x 3 + 16 + 1 = 32 g/mol

b) KMnO4 = 39  + 55 + 16 x 4 = 158 g/mol

c) H3PO4 = 1 x 3 + 31 + 16 x 4 = 98 g/mol

Espero ter ajudado!.