Problem: HCl density 1.19 g/cm3 and 37% solute by mass. Calculate the molality. Please explain step by step.

FREE Expert Solution

We’re being asked to calculate for the molality of a 37% by mass HCl solution. 

When calculating for molality, we use the following equation:


We will calculate the molality of the solution using the following steps:

Step 1: Calculate the mass and moles of solute

Step 2: Calculate the mass of the solvent (in kg).

Step 3: Calculate the molality of the solution.


Solute → HCl

Solvent → water (H2O)

83% (32 ratings)
View Complete Written Solution
Problem Details

HCl density 1.19 g/cm3 and 37% solute by mass. Calculate the molality. Please explain step by step.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Molality concept. You can view video lessons to learn Molality. Or if you need more Molality practice, you can also practice Molality practice problems.