Molar Solubility

The K_sp expression for a saturated solution of Ca₃(PO₄)₂ is

• K_sp = [Ca²⁺][PO₄^3-]

• K_sp = [3Ca²⁺][2PO₄^3-]

• K_sp = [Ca²⁺]³[PO₄^3-]²

• K_sp = [3Ca²⁺]³[2PO₄^3-]²

Tags

NGSS.HS-PS1-7

What is the K_sp expression for an ionic compund of BaSO₄

• K_sp= [Ba²⁺][SO₄^2-]

• K_sp= [Ba²⁺][4SO₄^2-]⁴

• K_sp= [Ba²⁺][4SO₄^2-]

• K_sp= [2Ba²⁺][4SO₄^2-]

The molar solubility of silver sulphide is 5.0 x 10^-17 mol/L. Calculate its solubility product.

• K_sp = 5 x 10⁴⁹

• K_sp = 5 x 10³³

• K_sp = 5 x 10^-49

• K_sp = 5 x 10^-33

What will happen if some solid AgNO₃ is added to a saturated solution of AgCl ?

• The AgNO₃ will not dissolve

• More solid AgCl will dissolve

• More solid AgCl will produced

• There will be no effect on AgCl equilibrium

Tags

NGSS.HS-PS1-5

The K_sp value for PbF₂ is 4 x 10^-8. Calculate the molar solubility of solid PbF₂ in a 0.5M NaF solution.

• 8 x 10⁸

• 1.6 x 10⁷

• 8 x 10^-8

• 1.6 x 10^-7

Tags

NGSS.HS-PS1-7

The solubility of CuI is 2 × 10^–6 molar. What is the solubility product constant, Ksp, for CuI?

• 1.4 × 10^–3

• 2 × 10^–6

• 4 × 10^–12

• 2 × 10^–12