I need Help Today ASAP, look here smart chemistry people

[BunnyPoopCereal]

I have to figure this out help is greatly appreciated

Calculate molarity

14.2g Na2 SO4 in 50.0ml solution

[Nimthill]

Molecular weight: 142.0 gmol-1
Therefore, 14.2 grams divided by 142 = 0,1 mole of Na2SO4.
In 0,05L, this is 0,1 / 0,05 = 2 moles per litre. (=molarity)

Hope that helped.

Yours,

Nimthill

[BunnyPoopCereal]

Got it!