How many grams of CaCl2 must be react in order to form 10.00 grams of chalk (CaCO3)?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

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)

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process