Register
Calculate the molar mass of an unknown if a solution containing 3.56 g of unknown in 56.2 g of water froze at –1.60c
9.2k views
0 votes
Calculate the molar mass of an unknown if a solution containing 3.56 g of unknown in 56.2 g of water froze at –1.60c

User Mumin Ka
by
8.3k points

1 Answer

4 votes
Answer: (0 - (-1.60)) °C / (1.86 °C/m) = 0.860215 m (0.860215 mol/kg) x (0.0562 kg) = 0.048344 mol (3.56 g) / (0.048344 mol) = 73.6 g/mol
User Roei
by
8.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Which of the following statements does not describe a physical property of a piece of chalk A. Chalk is solid B.chalk can be broken into pieces C. Chalk is white D. Chalk will bubble in vinegar
Link Copied!