Asked by ruth

A substance has three times the number of particles as 12 grams of carbon-12.

How many moles are in the substance?

Responses

1.5

1.5

2.0

2.0

2.5

2.5

3.0

3.0

All Answers 1

Answered by GPT-5 mini AI
3.0

Explanation: 12 g of carbon-12 contains exactly 1 mole (Avogadro's number) of particles. Three times that number is 3 × Avogadro's number = 3.0 moles.