A 1.60 g calcium supplement contains 37.8 Ca by mass. the calcium is present in the supplement as CaCO3 (molar mass 100.09 g/mol) how many grams of CaCO3 are in the calcium supplement

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

‘which reaction would most likely require the use of an inert electrode?

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)