Problem: What volume of ethanol (density = 0.7893 g/cm3) should be added to 450 mL of water in order to have a solution that freezes at -15.0°C? [For water, Kf = 1.86°C/m.] (i) 371 mL (ii) 470 mL (iii) 212 mL (iv) 132 mL (v) 167 mL

FREE Expert Solution
80% (271 ratings)
View Complete Written Solution
Problem Details

What volume of ethanol (density = 0.7893 g/cm3) should be added to 450 mL of water in order to have a solution that freezes at -15.0°C? [For water, K= 1.86°C/m.] 

(i) 371 mL 

(ii) 470 mL 

(iii) 212 mL 

(iv) 132 mL 

(v) 167 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 Freezing Point Depression concept. If you need more Freezing Point Depression practice, you can also practice Freezing Point Depression practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Carpenter & Hamilton's class at UMBC.