Question

What is the mass of NH4Cl that must dissolve in 200. grams of water at 50.°C to make a saturated solution?
(1) 26 g (3) 84 g
(2) 42 g (4) 104 g

Answer 1

at 50ºC:

50 g NH₄Cl----------------- 100 g (H₂O)
?  mass NH₄Cl------------- 200 g (H₂O)

mass NH₄Cl = 200 . 50 / 100

mass 

Answer 2

Answer: It's 104 g

Explanation: yes