molality =(mass of solute/molar mass) * 1000 / mass of water in g
freezing point of water = -KF * molality
KF = 1.83
6. Complete the following table. Molar Mass of Mass of Substance Mass g/mol solute, g water...
D. MORE PRACTICE... Molar mass (g/mol) of moles 1. Complete the table below. Substance Mass® 2. Aspirin tablet (C4H4O) 0.325 b. Wooden stick LCH:0) 14.482 c. Copper wire (Cu) 1.809 Show work below. 2. A substance has a mass of 90.10 grams and contains 3.02 x 10" molecules. Which of the 3 substances in the chart above is it? Explain. 165 3. Find the % composition of each element in aspirin.
1. Complete the table below. #of moles Substance Mass (g) Molar mass (g/mol) a. Aspirin tablet (CoH&O) b. Wooden stick (CH2O) 0.325 14.482 c. Copper wire (Cu) 1.809 Show work below. a. b. с.