Use this chemical equation to answer the question below: 2K + Br2 2 KBr Which of the following would be the correct setup for finding the number of grams of bromine needed to produce 1.25 moles of potassium bromide? O1. 25 mole KBr x mole KBr x 2 mol KBr 1 mol Br2 X 159.8 g Br2 X 1 mol Br2 1 mol Br2 О1.25 mo КBr x z mol KBr O 1. 25 g KBr x 1 mol KBr 119 g KBr 1 mol Br2 X 2 mol KBr 159.8 g Br2 1 mol Br2 O1. 25 g KBr x 1 mol KBr 119 g KBr 1 mol Br2 2 mol KBr

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Chapter1: Chemical Foundations
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Use this chemical equation to answer the question below:
2K +
Br2
2 KBr
Which of the following would be the correct setup for finding the number of grams
of bromine needed to produce 1.25 moles of potassium bromide?
mole KBr x 2 mol KBr
1 mol Br2
X
159.8 g Br2
X
1 mol Br2
1 mol Br2
O1. 25 mol KBr x 2 mol KBr
O
1. 25 g KBr x 1 mol KBr
119 g KBr
1 mol Br2
X
2 mol KBr
159.8 g Br2
X
1 mol Br2
O1. 25 g KBr x
1 mol KBr
119 g KBr
1 mol Br2
2 mol KBr
Transcribed Image Text:Use this chemical equation to answer the question below: 2K + Br2 2 KBr Which of the following would be the correct setup for finding the number of grams of bromine needed to produce 1.25 moles of potassium bromide? mole KBr x 2 mol KBr 1 mol Br2 X 159.8 g Br2 X 1 mol Br2 1 mol Br2 O1. 25 mol KBr x 2 mol KBr O 1. 25 g KBr x 1 mol KBr 119 g KBr 1 mol Br2 X 2 mol KBr 159.8 g Br2 X 1 mol Br2 O1. 25 g KBr x 1 mol KBr 119 g KBr 1 mol Br2 2 mol KBr
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