Calcium carbonate is 40.04% calcium by mass. How many grams of carbonate ions would be found in a 120.4 gram sample of calcium carbonate?

Which statement justifies that phosphine (ph3) is a polar molecule?

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)