Water has two hydrogen atoms, and one oxygen atom. Look up their atomic weights, add them all up, and you will get the number of grams per mol.
2 mol/kg
1.8597 K kg mol-1
The molarity is 2 mol/L.
-5.58 C
(kb=0.51degrees celcious/(mol/kg) for water and i=2 for NaCl)
4 mol/0.800 kg
2 mol/kg
1.8597 K kg mol-1
The molarity is 2 mol/L.
4.08°C (Apex)
This molality is 90,08 g/kg.
0.33 mol/kg (apex)
4 mol/0.800 kg
3mol/6kg
2 m
3mol/6kg
-5.58 C