Acid/Base Review!

(don't drop) Acid

100

The ion released by an acid.

What is H⁺, H₃O⁺, Hydronium Ion.

200

Which of the following is not a strong acid?

HCl, HI, HCN, HNO₃

What is HCN.

300

What is the dissociation equation of H₂S? 

What is H₂S + H₂O    <--->    HS^- + H₃O⁺

400

When becoming more acidic, the concentration of hydronium ions _________.

What is Increases.

500

Which of the following is a conjugate acid of a weak base:

C₅H₆N⁺ , CN^- , Na⁺

What is C₅H₆N⁺

(drop the) Base

100

The ion released by a base.

What is OH^-, Hydroxide Ion.

200

The color litmus paper turns to when dipped in KOH solution.

What is Blue.

300

The phrase used to describe a substance that can act as a base or acid.

What is amphiprotic, amphoteric. 

400

The dissociation equation of Ca(OH)_2.

What is Ca(OH)₂  ---> Ca⁺ + 2OH^-

500

Which of the following is a conjugate base of a weak acid:

H₂PO₄^-, NO₃^-, NH₄⁺

What is H₂PO₄^-

The Lightest Pink

100

The name of a substance that indicates when a solution has become neutralized.

What is Phenolphthalein.

200

When and Why is a titration trial thrown out?

When: a trial is done but the data from that trial is very deviant from the other trials

Why: the deviant data may alter averages or conclusions based on the data

300

Why is it necessary to use a buret for the acid?

What is to have a precise measurement of volume of acid.

400

Predict the products for the following neutralization reaction:

HCHO₂ + NaOH ---> 

What is NaCHO₂ + H₂O

500

What information from doing a titration is necessary in order to solve for the molarity of an acid if the molarity of the base is known?

What is the volume of the acid and base.

Seasoning (salts)

100

The name of the reaction where a salt is added to water and an acid and base are formed.

What is Hydrolysis.

200

Kw is equal to ___________ (number) and

____ x _____

What is 1.0 x 10^-14 and Ka x Kb

300

The ______ _______ of a weak base tends to form _____ solutions in water.

What is conjugate acid and acidic.

400

Identify the following species and what type of solution would result: 

C₂HO₄^-

What is the conjugate base of a weak acid, making a basic solution.

500

A NH₄Br solution is in lab. Identify the ion that will dissociate with water and write the equation.

What is NH₄⁺, NH₄⁺ + H₂O ---> H₃O⁺ + NH₃

POWER

100

The equation for solving for pH when given the concentration of H⁺.

What is pH = - log [H⁺]

200

If a solution has a low concentration of H⁺ ions, what can be said about the pOH.

What is the pOH should be a small number.

300

The expression typed into a calculator to solve for pH of a 0.00125 M solution of HCl.

What is - log (0.00125)

400

The expression typed into a calculator when solving for the pH of a 0.37 M Ca(OH)₂ solution.

What is 14 - (- log (2 x 0.37)).

500

A conjugate base of a weak acid is reacting with water to form a basic solution. Ka is given. What are the steps to solving for the pH of the solution?

What is

use an ICE table to find the equilibrium variables for the basic solution. 

Solve for Kb by Kw / Ka

Solve for [OH^-]

Use [OH^-] to solve for pOH and then pH

or solve for [H⁺] and then pH