Problem: How many moles of KF are contained in 244 mL of 0.135 m KF solution?  The density of the solution is 1.22 g/mL

FREE Expert Solution
87% (291 ratings)
FREE Expert Solution

We’re being asked to determine the moles of KF in 244 mL of 0.135 m KF solution.


Recall that molality is the ratio of the moles of solute and the mass of solvent (in kilograms)


In other words:


Molality (m)=moles solutekg solvent


87% (291 ratings)
View Complete Written Solution
Problem Details

How many moles of KF are contained in 244 mL of 0.135 m KF solution?  The density of the solution is 1.22 g/mL

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.

What is the difficulty of this problem?

Our tutors rated the difficulty ofHow many moles of KF are contained in 244 mL of 0.135 m KF s...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Sabrina took 3 minutes and 41 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Randles' class at UCF.