Calculate the amount that the vapor pressure is decreased when 136 g of C12H22O11 (molar mass = 342.296 g mol − 1 ) is dissolved in 100.0 g of water at 29 ◦ C . The vapor pressure of water at this temperature is 30.0 torr.

A solution is prepared by dissolving 40.0 g of sucrose, in 250 g of water at 25°C. What is ...
Feb 15, 2017 · 1 answer
23.6mmHg ... Calculate number of moles in each of the substance ... Mol C12H22O11 = 40.0 g C12H22O11 * 1 mol/342.296 g = 0.12 mol ... Partial pressure of soln = 0.991 * 23.7

What are the choices?

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .