Question

Hi guys, so I have the MW of the compound and it is 345 g/mol the compound is 0,2 M so it is 0,2 mol/liter and I need to calculate the mass?

Answer 1

$Molarity =\frac{Moles}{Volume}$

$Volume=\frac{ moles}{Molarity}$

$Volume=\frac{0.2}{0.2}=1liter$

$Mass= 0.2×345= 69grams$