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Lunna [17]
3 years ago
8

How many atoms are in 45.6 grams of sulfur

Chemistry
1 answer:
Inessa [10]3 years ago
8 0

Explanation:

6.022x10^23 is correct answer

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A chemist prepares a solution of iron(III) bromide (FeBr3) by measuring out 41.1 mg of FeBr3 into a 50. mL volumetric flask and
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Answer: The molarity of Br^- anions in the chemist's solution is 0.0084 M

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

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Molarity=\frac{0.00014\times 1000}{50}=0.0028

As 1 mole of FeBr_3 gives = 3 moles of Br^-

0.0028 moles of FeBr_3 gives = \frac{3}{1}\times 0.0028=0.0084 moles of Br^-

Thus the molarity of Br^- anions in the chemist's solution is 0.0084 M

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