A solution is prepared by dissolving 38. 6 g sucrose (c12h22o11) in 495 g of water. Determine the mole fraction of sucrose if the final volume of the solution is 508 ml.

One common system for computing a grade point average (gpa) assigns 4 points to an a, 3 points to a c, 1 point to a d, and 0 points to an f. what is the gpa of a student who gets an a in a 3 credit course, a b in each of two 2 credit courses, and a d in a 2 credit course?

Find the area of shaded region z=-0.89

Susie ran a race. she ran 55 miles an hour, and the race took her tt hours to complete.