Question

Calcule a massa molecular das substancias

a) C₃(PO₄)₂

b) C₂H₅OH

c) K₄Fe(CN)₆

d) Na CI

Answer 1

A) 3x12+ (31+64)x2= 226g/mol
B) 2x12+ 5x1+ 16+1= 47g/mol
C) 4x39+ 56+ (12+14)x6= 368g/mol
D) 23+ 35= 58g/mol