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ANSWER

EXPLANATION

Given information

The mass of calcium bromide is 5.0 grams

Follow the steps below to find the mole of calcium bromide

Step1: Write the formula for calculating mole

[tex]\text{ Mole = }\frac{mass}{molar\text{ mass}}[/tex]

Recall, that the molar mass of calcium bromide is 199.89 g/mol

Step 2: Substitute the given data into the formula in step 1

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