Chemistry, 03.05.2020 13:46 Bgreene2377

Directions: Use dimensional analysis to perform the following calculations. Show all
work, include your units, and box your final answers.
1. How many molecules are in a 189 g sample of carbon tetrabromide, CBr ?
2. How many moles are equal to 13.25 g of barium permanganate, Ba(Mno.),?
0.0026652572928249 mole.
3. What volume of nitrogen gas (N) is equal to 3.42x10 molecules of this
substance?
4. How many moles are equal to 12.65 grams of AL (SO),?

Answers: 3

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