Question

calculate the no of mole 0.5l of NH3

Answer 1

Hey chika ❤

Here's ur Answer

Given,
mass = 0.51 g
molar mass = 17


We know that,

$no.of \: moles \: = given \: mass \div molar \: mass$
$no.of \: moles \: = \: 0.51 \div 17$
$no.of \: moles \: = 0.03$
Hence, number of moles in 0.51 gram of NH3 is 0.03

Hope it helps ✔