chemistry

If the concentration of Pb^2+ is known to be roughly 2.1 x 10 to the power of -9 mol/L within a saturated solution of Pb(PO4)2, calculate the Ksp of Pb3(PO4)2?

  1. 👍 0
  2. 👎 0
  3. 👁 43
asked by Angelo
  1. Show me what you know and tell me what you don't understand. Start by writing the solubility equation.

    1. 👍 0
    2. 👎 0
    posted by DrBob222
  2. Pb3(PO4)2 = 3 Pb + 2 PO4 = (2.3 x 10-9 )^3 (2.3 x 10-9 )^2 = 6.43 X 10^-44

    1. 👍 0
    2. 👎 0
  3. If (Pb^+2) = 2.1 x 10^-9, then (PO4^-3) = 2/3 x (2.1 x 10^-9), and
    Ksp = (2.1 x 10^-9)^3*[(2/3)* 2.1 x 10^-9]^2??

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. science

    Question: what do you think will happen to the rate of reaction if the concentration of enzyme is increased to five drops?Predict what thte rate would be for 5 drops. Answer:Roughly, the rate doubles when the concentration of

    asked by sammi on October 3, 2009
  2. math

    formulate a problem to the charge on an electron is roughly 1.6 X 10 to negative 19th power columbs.

    asked by jm on September 19, 2015
  3. madedela comprehensive

    Time taken by light ti travel 1 meter is roughly 3x10 negative 8 power seconds

    asked by mc pacua on November 7, 2015
  4. Chemistry URGENT

    I am having a hard time understanding how to calculate pH. my textbook states that that pH =-log[H^+]. I have two questions that asks: What is the H^+ concentration in an acid with of pH 4.6? Express your answer as a power of 10.

    asked by jazz on April 24, 2014
  5. Physics

    A 1.0kg mass weighs 9.8 Newton on earth's surface, and the radius of Earth is roughly 6.4 x 10 to the power of 6. The mass of the earth is 6.02 x 10 to the power of 24. Calculate the average density of Earth?

    asked by Rebecca on December 24, 2012
  6. math

    Time taken by light to travel 1 meter is roughly 3 x 10 to the negative 8th power. pls. formulate a problem and solution.

    asked by jm on September 19, 2015
  7. Pre-Algebra

    1)(6.0 × 10 to the 5th power) × (3.0 × 10 to the 4th power) A) 18 × 10 to the 20th power. B) 18 × 10 to the 9th power. C) 1.8 × 10 to the 20th power. D) 1.8 × 10 to the 9th power. 2)(5 × 10 to the -2 power) ÷ (2 × 10 to

    asked by Audrey on September 11, 2018
  8. math help pls pls pls

    Choose the correct simplification of the expression the quantity a to the 2nd power over b to the 3rd power all raised to the 4th power. A. a to the 6th power over b to the 7th power B. b^12 C. a^8b^15 D. the quantity a to the 8th

    asked by Oscar on March 21, 2016
  9. Math

    Hey, I just need my answer checked. Simplify: y to the 4th power times y to the 3rd power y to the 1st power y to the 7th power ** y to the 12th power y to the 43rd power correct? If not, please show work for me. thanks.

    asked by IAmNotARobotTrustMe1 on September 6, 2017
  10. physics

    The disk shaped head of a pin is 1.0 mm in diameter. Which of the following is the best estimate of the number of atoms in the layer of atoms on the top of the surface of the pinhead? 1. 10 to the 34th power 2. 10 to the 19th

    asked by Kailey on August 26, 2010

More Similar Questions