subject
Chemistry, 11.12.2019 22:31 silveryflight

Enter your answer in the provided box. the formula that governs the depression of freezing point and elevation of boiling point for a solution consisting of a solute dissolved in a solvent is: where: at = the temperature change between a pure solvent and its solution i = the number of species per mole of solute that are dissolved in the solvent (e. g., i = 1 for a non-ionic solute that does not break apart into ions, i = 2 for an ionic solute such as br that breaks apart into two ions, k* and br, and so on) a constant related to the solvent m = molality of the solute (molality, m = moles of solute / kg of solvent) using the above equation, how many grams of salt (cacl2) would need to be added to 1 l of water in order for the boiling point of the solution to reach 103.5 °c? assume that the density of water is 1.0 g/ml and that cacl2 completely dissociates into three ions − i. e., a ca2+ ion and two cl− ions. the boiling point constant, kb, for water is 0.515 °c/m.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 07:40
21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
Answers: 2
question
Chemistry, 22.06.2019 09:30
What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.
Answers: 2
question
Chemistry, 22.06.2019 18:30
Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
Answers: 3
question
Chemistry, 22.06.2019 18:50
At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
Answers: 1
You know the right answer?
Enter your answer in the provided box. the formula that governs the depression of freezing point and...
Questions
question
Mathematics, 11.03.2021 20:30
question
Mathematics, 11.03.2021 20:30
question
Mathematics, 11.03.2021 20:30
Questions on the website: 13722359