The analysis of a compound gives the following percent composition by mass: C: 58.98 percent; H: 9.570 percent; S: 10.50 percent; O: 20.95 percent. What is its molecular formula given that its molar mass is 305.5 g?

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice