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This is equivalent to 1,4 moles.

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Q: How many moles of atoms are there in 8.45 1023 atoms Mg?
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What is the Molarity of a substance that contains 4.13 grams of magnesium bromide in 845 liters of a solution?

To find the molarity of the substance, divide the moles of the substance by the volume of the solution in liters. First, calculate the moles of magnesium bromide: Convert grams to moles by dividing the given mass by the molar mass of magnesium bromide (184.1 g/mol). Moles of magnesium bromide = 4.13 g / 184.1 g/mol = 0.0224 mol. Next, divide the moles by the volume of the solution in liters: Molarity = 0.0224 mol / 845 L ≈ 0.00003 M (rounded to 3 significant figures).


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