If 0.500 mol of each of the following solutes is dissolved in 2.0 l of water, which will cause the greatest increase in the boiling point of the solution?
a. ki
b.
co2

c.
na2so4

d. nacl

Option C Na2 SO4.

Because the Na2 SO4 produces 3 mols for every mol of Na2 SO4 dissolved and the increase in the boiling point is proportional to the number of mols dissolved.

4hours and 17 mins i think

Mass is the amount of matter in an object.  weight is the measurement of the pull of gravity on an object.  say for example, you travel to the moon which has a different gravitational field compared to the gravitational field of earth. (gravitational fields: earth = 1, moon = 0.165)  now when you are on the moon, the pull of gravity on you is different than on the earth. and as weight is the measurement of the pull of gravity on an object, that means yes, your weight can and will change on the moon.  however, on the moon, on earth or even on jupiter, the amount of mass inside of you remains the same. meaning your physical mass remains constant.  in conclusion it is possible for your weight to change as your mass remains constant.