Ksp and NIE Quiz

Which of the following shows the correct dissolution reaction for BaCl₂?

• Ba ²⁺(aq) + Cl₂^-(aq) -> BaCl₂(s)
• BaCl₂(aq) -> Ba ²⁺(aq) + 2Cl^-(aq)
•  BaCl₂(s) -> Ba ²⁺(aq) + 2Cl^-(aq)
• Ba ²⁺(aq) + 2Cl^-(aq) -> BaCl₂(s)

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-7

Which of the following substances would likely dissolve in water?

• Zn(NO₃)₂
• AgCl
•  NaOH
• More than one of the above would disolve in water.

What would happen if aqueous solutions of sodium nitrate and ammonium chloride were mixed?

• A precipitate of sodium chloride would form.
• A precipitate of ammonium chloride would form.
• Neither sodium nitrate nor ammonium chloride would dissolve.
• Nothing would happen.

What would be the net ionic reaction for:
K₂SO₄(aq) + Ba(C₂H₃O₂)₂(aq) -> BaSO₄(s) + 2 KC₂H₃O₂(aq)

• K₂⁺(aq) + (C₂H₃O₂)₂²(aq) -> 2KC₂H₃O₂(s)
• 2 K⁺(aq) + 2C₂H₃O₂^-(aq) -> 2 KC₂H₃O₂(s)
• Ba²⁺(aq) + SO₄^2-(aq) -> BaSO₄(s)
• None of these are correct.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

If K < Q, which part of the reaction will speed up?

• forward
• reverse
• none

Tags

NGSS.HS-PS1-5

In a dissolution, K_sp problem, what states of matters are the reactants and products?

• (s) -> (aq)
• (aq) -> (s)
• (aq) -> (aq)