Question

 The formula of ethanol is C2H5 – OH. What will be its molecular mass? *

1 point

A) 46 u

B) 34 u

C) 34 g

D) 46 g

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Answer 1

Answer:

(D) 46 g

Explanation:

carbon = 12g

Oxygen = 16g

hydrogen = 1g

According to question

2×12+5×1+1×16+1= 46g