A solution was prepared by dissolving 37.0 gg of KClKCl in 225 gg of water. Part A Calculate the mass percent of KClKCl in the solution. Express your answer with the appropriate units.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas