Bisulfite Ion and Calcium Chemistry

The video tutorial explains how to write the formula for calcium bisulfite, also known as calcium hydrogen sulfide. It begins by identifying calcium and its symbol 'Ca', then discusses the polyatomic ion HSO3 with a one minus charge. The tutorial explains the need to balance the charges to achieve a neutral compound, resulting in the formula Ca(HSO3)2. The video concludes with a summary of the process.

What is another name for calcium bisulfite?

• Calcium phosphate

• Calcium sulfate

• Calcium hydrogen sulfide

• Calcium carbonate

What is the chemical symbol for calcium?

• Ca

• Cu

• Cl

• C

What is the formula for the bisulfite ion?

• HSO4

• HSO3

• SO3

• HSO2

What is the ionic charge of the bisulfite ion?

• 2+

• 1+

• 2-

• 1-

How many bisulfite ions are needed to balance the charge with one calcium ion?

• Four

• Two

• One

• Three