Chapter 1 - Chemistry Flashcards
1
Q
- If an acidic solution has a pH of 3.0, what is the normality of the acid?
A
0.001N
2
Q
- A 2 molar solution of H2SO4 contains _______ g/L, while a 2N solution of H2SO4 contains________ g/L.
A
196 g/L & 98 g/L
3
Q
- True [ ] or False [ ]: In water-based solutions, pH is defined by the equation pH = log [H+]
A
FALSE
4
Q
- If ionic aluminum has a valence of +3 and the valence of oxygen is -2, the correct formula for
aluminum oxide is:
____a. AlO3
____b. AlO2
____c. Al2O3
____d. Al3O2
A
Al2O3
5
Q
- A normal solution of an acid contains _______ g/L of H+ per liter.
A
1 g/L
6
Q
- A five mL solution of NaOH is neutralized by ten mL of 1N H2SO4.
The normality of the NaOH solution is __________ .
A
2
7
Q
- Complete the equation NaOH + H2SO4 → Na2SO4 + H2O
A
2 1 1 2
8
Q
- The ______________ is about 1836 lighter than the other basic parts of an atom.
A
Electron
9
Q
- 1 oz/gal = ___________mg/L = _________________ ppm (solution SPG = 1.0)
A
7500 = 7500
10
Q
- How many grams of K2Cu(CN)3 must be added to a 500 Liter plating tank to equal a 1g/L increase in
copper concentration?
A
1730g
11
Q
- An acid is a substance that produces an excess of ______ ions when added to water.
A
H+
12
Q
- A reaction tends to go to completion when:
____a. The product is ionized
____b. The product is a gas and can leave the vessel
____c. The product is insoluble
____d. All of the above
A
D
13
Q
- An example of a polyatomic ion is:
____a. H2O
____b. Ni
____c. SO4
____d. S
____e. All of the above
A
C
14
Q
- An example of a weak base is:
____a. KMnO4
____b. KOH
____c. NaOH
____d. NH4OH
____e. None of the above
A
D
15
Q
- True [ ] or False [ ]: Salts of barium, lead and calcium typically have very limited solubility.
A
TRUE
