Question

The molecular mass of urea (n2h4co)
a) 180 b) 60
c)120 d) 30

Answer 1

Answer:OPTION B

Explanation:

Answer 2

Answer:

$\orange{\mathbb{N2H4CO}}$

$\red{\mathbb{= \: (14 \: * \: 2) \: + \: (4 \: * \: 1) \: + \: (12) \: + \: (16)}}$

$\green{\mathbb{28 \: + \: 4 \: + \: 12 \: + \: 16}}$

$\blue{\mathbb{60g \: i.e \: option \: b \: is \: the \: answer.}}$

$\orange{\mathbb{Hope\: it \: helps \: you.}}$