Mole Conversions
What is the mass in grams of
0.625 mol Ba(NO3)2?(please show work)

Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Joan writes four numbers on the board in standard form, and then she writes their scientific notation