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Get Full Access to Introductory Chemistry - 5 Edition - Chapter 15 - Problem 100p
Get Full Access to Introductory Chemistry - 5 Edition - Chapter 15 - Problem 100p

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# If 50.0 mg of Na2CO3 are added to 150.0 mL of a solution that is 1.5 × 10?3 M in Mg2+ ISBN: 9780321910295 34

## Solution for problem 100P Chapter 15

Introductory Chemistry | 5th Edition

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Problem 100P

Problem 100P

If 50.0 mg of Na2CO3 are added to 150.0 mL of a solution that is 1.5 × 10−3 M in Mg2+, will any MgCO3 precipitate from the solution?

Step-by-Step Solution:

Solution 100P :

Step 1:

Molarity of tap water having Mg2+ = 1.5 × 10-3 M

Mass of Na2CO3 added = 50 mg.

Volume of solution = 150.0 mL

Will MgCO3 precipitate out of solution = ?

MgCO3 ionizes into :

MgCO3(S) Mg2+ (aq) + CO32- (aq)

We have the molarity of Mg2+. let’s calculate molarity of CO32- as :

Ksp = [Mg2+][CO32-]

Ksp of  MgCO3        = 6.82 × 10-6

We are given the molarity of Mg2+, let’s substitute those values :

6.82 × 10-6  = 1.5 × 10-3 M [CO32-]

[CO32-] = = 0.004546 M

This is the maximum soluble concentration of CO32- in the presence of  1.5 × 10-3 M Mg2+

Step 2 of 5

Step 3 of 5

##### ISBN: 9780321910295

The answer to “If 50.0 mg of Na2CO3 are added to 150.0 mL of a solution that is 1.5 × 10?3 M in Mg2+, will any MgCO3 precipitate from the solution?” is broken down into a number of easy to follow steps, and 28 words. Since the solution to 100P from 15 chapter was answered, more than 1448 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. This full solution covers the following key subjects: solution, mgco, any, precipitate, added. This expansive textbook survival guide covers 19 chapters, and 2046 solutions. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. The full step-by-step solution to problem: 100P from chapter: 15 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM.

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