Question

Calcule a massa molar de vitamina B1 (C12H18ON4SCL2)

Answer 1

Mm : C12H18ON4SCl2
C = 12*12 =144u
H = 1*8=18u
O = 1*16=16u
N =4*14=56u
S =1*32=32u
Cl =2*35,45 = 70,90u
Soma total : 144+18 + 16 + 56 + 32 + 70,90 = 336,90 g