Question

What is the relative molecular mass, Mr, of butanol, C4H9OH

A- 15
B- 37
C- 74
D- 148​

Answer 1

C-74

Step-by-step explanation:

carbon is 12 the hydrogen is 1 andthe oxygen is 16/-this is molecular mass for each element

the just follow the molecular formula and sub the valu

you sould be getting 74 ok

hope u understand