Call Now to Set Up Tutoring:

(888) 888-0446

High School Chemistry : Calculating Solubility

Study concepts, example questions & explanations for High School Chemistry

Create An Account

All High School Chemistry Resources

6 Diagnostic Tests 143 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #3 : Solutions And Mixtures

Barium fluoride is an insoluble salt.

If the solubility product constant of barium fluoride is $2.4*10^{-5}M$ , what is the solubility of barium fluoride?

Possible Answers:

$1.8*10^{-2}M$

$3.6*10^{-2}M$

$4.9*10^{-3}M$

$3.5*10^{-3}M$

Correct answer:

$1.8*10^{-2}M$

Explanation:

If given the solubility product constant for a salt, we can determine the solubility for the salt as well. In order to do this, we need to use an ICE table and the equilibrium constant expression.

Initial: When the salt is added to water, there are no ions initially in solution. Because the salt is a solid, its concentration is irrelevant.

Change: When one molecule of barium fluoride dissolves, one barium ion and two fluoride ions are introduced to the solution. As a result, barium ions increase by , and fluoride ions increase by .

$BaF_2\rightarrow Ba^{2+}+2F^-$

End: The equilibrium expression for this salt is $[Ba^{2+}][F^{-}]^{2}$ , which will allow us to calculate the solubility based on the change in ion concentration.

$K_{sp}=[Ba^{2+}][F^-]^2=2.4*10^{-5}$

$[Ba^{2+}]=x\ \text{and}\ [F^-]=2x$

$2.4*10^{-5}=[x][2x]^2$

$2.4*10^{-5}=4x^3$

$x = 1.8*10^{-2}M$

The solubility for barium fluoride is $1.8*10^{-2}M$ .

Report an Error

Example Question #1 : Solutions And Mixtures

For PbCl_2 , $K_{sp}=1.2*10^{-5}$

Determine the maximum amount of grams of PbCl_2 that will dissolve in .250L of water at $25^\circ C$ .

Possible Answers:

2.21 g

3.88g

1.00 g

6.11 g

8.44 g

Correct answer:

1.00 g

Explanation:

Definition of $K_{sp}$ :

$K_{sp}=[X]^a[Y]^b$ for X_aY_b .

For PbCl_2 :

$K_{sp}=1.2*10^{-5}=[Pb^{+2}][Cl^{-}]^2$

Due to the chemical formula, there will be twice as many chloride ions as lead ions.

$1.2*10^{-5}=[X][2X]^2$

$1.2*10^{-5}=4X^3$

Solve for the unknown variable:

$({3*10^{-6}})^{\frac{1}{3}}=X$

$1.44*10^{-2}M=X$

Multiply times the given volume:

$\frac{1.44*10^{-2}moles}{Liter}*.250L=.0036moles$

Multiply times the molar mass of PbCl_2 :

$.0036moles*\frac{278.1grams}{moles}=1.00 g$

Report an Error

View Tutors

Justin
Certified Tutor

University of Toledo, Bachelors, Environmental Science. University of Michigan, Masters, Natural Resource Management.

View Tutors

Cherub
Certified Tutor

SUNY at Binghamton, Bachelors, Biological Science. University at Buffalo, Current Grad Student, Medicine.

View Tutors

Andrew
Certified Tutor

The University of Kansas, Bachelor of Science, Biochemistry.

All High School Chemistry Resources

6 Diagnostic Tests 143 Practice Tests Question of the Day Flashcards Learn by Concept

Popular Subjects

Spanish Tutors in Philadelphia, Statistics Tutors in Denver, Computer Science Tutors in Miami, SSAT Tutors in Houston, Physics Tutors in San Diego, LSAT Tutors in Boston, Reading Tutors in Phoenix, Biology Tutors in San Francisco-Bay Area, Computer Science Tutors in San Diego, ISEE Tutors in Atlanta

Popular Courses & Classes

MCAT Courses & Classes in Washington DC, SAT Courses & Classes in Boston, SSAT Courses & Classes in New York City, ISEE Courses & Classes in Boston, SSAT Courses & Classes in Houston, ACT Courses & Classes in Houston, GMAT Courses & Classes in Chicago, ISEE Courses & Classes in Phoenix, Spanish Courses & Classes in San Francisco-Bay Area, SSAT Courses & Classes in Boston

Popular Test Prep

ACT Test Prep in Houston, SAT Test Prep in Washington DC, SAT Test Prep in Chicago, GRE Test Prep in Denver, ISEE Test Prep in San Francisco-Bay Area, LSAT Test Prep in Philadelphia, SAT Test Prep in Denver, ISEE Test Prep in Los Angeles, GMAT Test Prep in Chicago, ACT Test Prep in Boston

DMCA Complaint

If you believe that content available by means of the Website (as defined in our Terms of Service) infringes one or more of your copyrights, please notify us by providing a written notice (“Infringement Notice”) containing the information described below to the designated agent listed below. If Varsity Tutors takes action in response to an Infringement Notice, it will make a good faith attempt to contact the party that made such content available by means of the most recent email address, if any, provided by such party to Varsity Tutors.

Your Infringement Notice may be forwarded to the party that made the content available or to third parties such as ChillingEffects.org.

Please be advised that you will be liable for damages (including costs and attorneys’ fees) if you materially misrepresent that a product or activity is infringing your copyrights. Thus, if you are not sure content located on or linked-to by the Website infringes your copyright, you should consider first contacting an attorney.

Please follow these steps to file a notice:

You must include the following:

A physical or electronic signature of the copyright owner or a person authorized to act on their behalf; An identification of the copyright claimed to have been infringed; A description of the nature and exact location of the content that you claim to infringe your copyright, in \ sufficient detail to permit Varsity Tutors to find and positively identify that content; for example we require a link to the specific question (not just the name of the question) that contains the content and a description of which specific portion of the question – an image, a link, the text, etc – your complaint refers to; Your name, address, telephone number and email address; and A statement by you: (a) that you believe in good faith that the use of the content that you claim to infringe your copyright is not authorized by law, or by the copyright owner or such owner’s agent; (b) that all of the information contained in your Infringement Notice is accurate, and (c) under penalty of perjury, that you are either the copyright owner or a person authorized to act on their behalf.

Send your complaint to our designated agent at:

Charles Cohn Varsity Tutors LLC
101 S. Hanley Rd, Suite 300
St. Louis, MO 63105

Or fill out the form below:

Do not fill in this field

Contact Information

* Full legal name

Company name

* Phone number

* Email address

Address

* Address1

Address2

* City

* State

* Zipcode

* Country

Complaint Details

* URL of copyrighted work (where your original material is located)

* Please describe the copyrighted work so that it may be easily identified

I am the owner, or an agent authorized to act on behalf of the owner of an exclusive right that is allegedly infringed.

I have a good faith belief that the use of the material in the manner complained of is not authorized by the copyright owner, its agent, or the law.

This notification is accurate.

I acknowledge that there may be adverse legal consequences for making false or bad faith allegations of copyright infringement by using this process.

* Signature (your digital signature is legally binding)

HIGH SCHOOL

GRADUATE SCHOOL

K-8

Search 50+ Tests

math tutoring

science tutoring

foreign languages

elementary tutoring

other

Search 350+ Subjects

High School Chemistry : Calculating Solubility

Study concepts, example questions & explanations for High School Chemistry

All High School Chemistry Resources

Example Questions

Example Question #3 : Solutions And Mixtures

Example Question #1 : Solutions And Mixtures

All High School Chemistry Resources

Report an issue with this question

DMCA Complaint

Contact Information

Address

Complaint Details

Email address:
Your name:
Feedback: