Question

calculate no. of moles in 3.6mg of water​

Answer 1

Answer:

0.0001mol

Explanation:

Mass of water(H2O)

=1 +(2x16)=1+32=33,

2x16 as two molecules of oxygen

Given mass=3.6mg=0.0036g

So, total no. of moles of water

=Given mass

Molar mass

=0.0036

36

=0.000109mols=0.0001moles(approx)

Thank you