pHantastic pH
Concentration Station
We Were on a Break! (Separation Techniques)
Drop the Base
Hodge Podge
100

This is what a pH meter measures

What is H+ ion activity?

100

Units of molarity

What are mol/L?

100

Method of separation commonly used for purifying liquids

What is distillation?

100

The pH when a strong base is neutralized by a strong acid

What is 7?

100

Another name for a chemical that has been freeze dried

What is lyophilized?

200

This is the [H+] at a pH of 5

What is 10^(-5)?

200

Units on %w/v

What are g/100 mL?

200

These are 2 safety tips for using a centrifuge

What are: 

1)All tubes must be covered

2)Tubes must not be cracked

3)Properly balanced

4)Centrifuge lid must stay closed until stopped

5)If a tube breaks the centrifuge must remain closed for half an hour

200

The method for determining the concentration of an unknown acid or base

What is titration?

200

The process by which a chemical absorbs moisture and becomes liquefied

What is deliquescent?

300

This electrode is filled with a solution of mercurous chloride

What is the calomel electrode?

300

Units on millimolarity?

What are mmol/L?

300

Method commonly used to separate molecules based on differences in electrical charge

What is electrophoresis?

300

The kind of acid that incompletely dissociates in aqueous solution

What is a weak acid?

300

The chemical that makes up Drierite

What is calcium sulfate?

400

This kind of electrode maintains a constant voltage when measuring pH

What is a reference electrode? (Calomel or Ag/AgCl)

400

Units on %v/v

What are mL/100 mL?

400

Method used to separate complex mixtures of solids, liquids or gases

What is chromatography?

400

NHis this kind of base

What is a weak base?

400

Type of flask meant to contain liquid nitrogen

What is a Dewar flask?

500
The [OH-] at a pH of 4

What is 10^(-10)?

500
Units on Normality?

What are N or Eq/L?

500

The equation for RCF

What is (1.118 X 10-5)(r)(rpm2)?

500

The point in a titration when the indicator changes color

What is the end point?

500

The number of sig figs in 0.00530

What is 3?

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