Cobalt Acetate and Acetate Ions

The video tutorial explains how to write the formula for Cobalt 3 acetate. It begins by identifying the element symbol for Cobalt and its charge, followed by an explanation of the acetate ion and its charge. The tutorial then demonstrates how to balance the charges to form a neutral compound, resulting in the formula for Cobalt 3 acetate. The video concludes with a summary of the process.

What does the Roman numeral III indicate in the name Cobalt 3 acetate?

• The charge of the Cobalt ion

• The number of acetate ions

• The atomic number of Cobalt

• The number of Cobalt atoms

Which of the following is true about the acetate ion?

• It is a monatomic ion

• It is found on the periodic table

• It has a charge of 2+

• It is a polyatomic ion

What is the chemical formula for the acetate ion?

• CO3 2-

• SO4 2-

• CH3COO-

• NH4+

Why do we need three acetate ions to balance the charge of one Cobalt 3+ ion?

• Each acetate ion has no charge

• Each acetate ion has a charge of 2-

• Each acetate ion has a charge of 1-

• Each acetate ion has a charge of 1+

How do we represent multiple acetate ions in the chemical formula?

• By using a coefficient

• By using a subscript

• By using parentheses

• By using brackets

What is the final chemical formula for Cobalt 3 acetate?

• Co(CH3COO)3

• Co3(CH3COO)2

• Co(CH3COO)2

• Co3(CH3COO)3