NAME:_______________________________________
Mods:____________
PROPERTIES of ACIDS and BASES
Make-up Lab
Indicators Data: Based on the pH data, fill-in the empty columns (your notes, the internet, and the
“Indicators Ranges” document on Moodle can all be helpful!)
pH
Phenol.
Litmus
paper Clear or
color
#
Pink
Methyl
Orange
color
Brom.
Blue
color
Aliz.
Yellow
color
Acid,
Base or
Neutral?
Weak
or
Strong?
*Substance
14
1
5
8.5
----
7
----
3.5
9.5
2
*Based on the results, label the following substances above in the “Substance” column:
HCl, NaOH, H2O, H2SO4, NaHCO3, NH3, CH3COOH, H3PO4
Reactions with metals: Complete and balance the following reactions (if there will be no reaction, write NR)
1.
Magnesium metal with Hydrochloric acid:
Mg + HCl
2.
Magnesium metal with Sodium Hydroxide:
Mg + NaOH
3.
Zinc metal with Nitric acid:
Zn + HNO3
“Weak” vs. “Strong”: Find 5 examples of each of the following: strong acid, weak acid, strong base, weak base
Strong Acids
Weak Acids
Strong Bases
Weak Bases