How many grams of Al_2(SO_4)_3, will be required to prepare 4 litres of 0.025M solution ?

How many grams of Al_2(SO_4)_3, will be required to prepare 4 litres o

1.	How many grams of Al_2(SO_4)_3, will be required to prepare 4 litres of 0.025M solution ?
Answer» ANSWER :34.2g