🤓 Based on our data, we think this question is relevant for Professor Elliot's class at SIUC.
A student weighs out 1.556 g of t-butyl alcohol into a large test tube and measures the freezing point of the pure solvent to be 21.4°C, Next the student weighs out 1.056 g of water and adds it to the test tube with the t-butyl alcohol and measures the freezing point of the mixture to be 14.8°C. The Kf is calculated to be 0.17 °C kg/mol.
What is the molar mass of the unknown in grams? Show all your work.
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 Elliot's class at SIUC.