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Calculate (to the nearest 0.1 u) the formula mass of these compounds.
(a) carbon monoxide, CO(b) calcium carbonate, CaCO3(c) boron trifluoride, BF3

An antacid tablet weighing 0.952 g contained calcium carbonate as the active ingredient, in addition to an inert binder. When an acid solution weighing 56.434 g was added to the tablet, carbon dioxide gas was released, producing a fizz. The resulting solution weighed 57.123 g. How many grams of carbon dioxide were produced?

Predict the formula for each ionic compound.
(a) potassium acetate
(b) magnesium sulfate
(c) sodium sulfide
(d) rubidium oxide
(e) strontium phosphate

An antacid tablet weighing 0.952 g contained calcium carbonate as the active ingredient, in addition to an inert binder. When an acid solution weighing 56.434 g was added to the tablet, carbon dioxide gas was released, producing a fizz. The resulting solution weighed 57.123 g. How many grams of carbon dioxide were produced?
Predict the formula for each ionic compound.
Write the Lewis symbols and structures that show how Na2O forms from sodium and oxygen atoms.