# Problem: You wish to increase the boiling point of water to 105°C by adding lithium fluoride to 125. mL of water. How much lithium fluoride must you add to the water? Assume the density of the water was 1.00 g/mL when the lithium fluoride was added; the Kb for water is 0.512°C/m. a) 15.8 g b) 31.6 g c) 63.3 g d) 45.9 g e) Impossible, the boiling point decreases with the addition of lithium fluoride.

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You wish to increase the boiling point of water to 105°C by adding lithium fluoride to 125. mL of water. How much lithium fluoride must you add to the water? Assume the density of the water was 1.00 g/mL when the lithium fluoride was added; the Kb for water is 0.512°C/m.

a) 15.8 g

b) 31.6 g

c) 63.3 g

d) 45.9 g

e) Impossible, the boiling point decreases with the addition of lithium fluoride.

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 Boiling Point Elevation concept. You can view video lessons to learn Boiling Point Elevation Or if you need more Boiling Point Elevation practice, you can also practice Boiling Point Elevation practice problems .

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Based on our data, we think this problem is relevant for Professor Langowski's class at RUTGERS.