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),?

2.00 is the !

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.