Answer :
Answer:
852g
Explanation:
Molarity = 3M
Volume = 2L
Molar Mass of Na2SO4 = (23x2) +32 + (16x4) = 46 + 32 + 64 = 142g/mol
Number of mole =?
Recall:
Molarity = mole /Volume
Mole = Molarity x Volume
Mole = 3 x 2 = 6moles
Number of mole = Mass /Molar Mass
Mass = number of mole x molar Mass
Mass of Na2SO4 = 6 x 142
Mass of Na2SO4 = 852g