1. What is the Normality of a 3.6 M Sulfuric acid solution given the
molecular weights?( H=1, S=32, O-16)
a. 1.8 N
b. 3.6N c. 4.9 N d. 7.2 N e.
NIL
2. How many grams of HCL is used to
prepare 250 ml of a 4.8 solution of HCL? (H-1, Cl-35.5)
a. 36
G b. 36.5 g c.
40 g d. 43.8 g e. NIL
3. What is the Molarity of a 2 .5 N solution
of NaOH?
a.
1.50 mol/l c. 3.35 mol/l e.
NIL
b.
2.5 mol/l d. 4.5 mol/l
4. The molecular weight of H3 PO4 is:
a. 48 c.
98 e. NIL
b. 58.5 d.
98.1
5. How many grams
of NaCl are required to make 1,000 ml.
of 0.3 M
solution?
a. 36.3 c.
26.32 e. NIL
b. 52.6 d. 53
6. What is the
Molar concentration of a 20 grm. Of NaOH diluted to 1 liter of distilled water?
a. 1 M c.
0.5 M e. NIL
b. 2 M d.
1.5 M
7. What is the amount of CaCl2.H2O in grams is
needed to prepare 0.4 N solution of
Ca Cl2?
a. 8.8 c. 16 e. NIL
b. 4 d.
32
8. One milligram is equal to:
a. 0.001 grm. c.
0.01 grm. e. NIL
b. 0.0001 grm. d.
0.1 grm.
9. A 10 mgs. % solution contains:
a. 10 mgs of solute/100ml of solution
b.
10 mgs
of solute/100 ml of diluent
c.
10 mgs
of solute/1000 ml of diluent
d.
10 mgs
of solute/1000ml of solution
e.
NIL
10. A 2 % solution of 10mg/100ml is diluted
1:100. What is the final concentration?
a. 2 % c.
0.2 % e. NIL
b. 0.02 % d.
0.002 %
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