Answer:
uhhh i do not know this but we are learning at my school i could give you the answer soon i you want
Explanation:
Letter C would be the correct answer
Molality is the moles of solute per kg of solvent.
Moles of NH₄Cl = 2.4 / (14 + 4 x 1 + 35.5)
= 0.0448 mole
Molality = 0.0448 / (19.4 / 1000)
= 2.31 m
1.)b
2.)true
3.)false
are the answer don't take me on my word