Choose all the answers that apply. todd drops three balls made of different materials to see how high they will bounce. he drops each ball from a height of ten feet. all the balls are the same size. the independent variable is how high the balls bounce. the dependent variable is the height the balls bounce. the independent variable is the type of material the balls are made from. the height the balls are dropped from is a control. the size of the balls is a control.

Gusing the milligrams of ascorbic acid you entered above, the ratio of total sample volume to aliquot volume, and the total milligrams of the vitamin c tablet that you dissolved, calculate the mass of ascorbic acid in the vitamin c tablet for each trial. do this by scaling up to find the amount (mg) of ascorbic acid in your 250 ml flask. enter your calculated mass of ascorbic acid in the vitamin c tablet, for each trial. be sure to enter your calculated mass in the corresponding order that you entered your milligrams of ascorbic acid. the milligrams of ascorbic acid you entered for entry #1 previously should correspond to the mass of ascorbic acid that you enter for entry #1 here.