Convert the following into mole:
43.5 g `K_(2)SO_(4)` [Molecular weight of `K_(2)SO_(4)` is 174 u.]

Explanation

Number of moles of 43.5 g `K_(2)SO_(4)= ("mass of "K_(2)SO_(4)" in g")/("molecular mass u")`
`= (43.5 g)/(174 u)` = 0.25 mole