A student performing this experiment weights out 0.6680 grams of an antacid tablet. It is was determined that this tablet contained 0.4210 grams of CaCO3. What is the percent CaCO3 of this tablet?

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

What is the molar mass of ca(cio4)2