1. What is the Normality of a 1.2 M H2SO4
solution given the molecular weights?( H=1, S=32, O-16)
a. 1.2 N b. 0.6N c. 10.4 N
d. 2.4 N e. NIL
2. How many grams of NaCl is used to
prepare 500 ml of a 0.5 N solution of NaCl? (Na-23, Cl-35.5)
a. 14.63
g b.
56.5 g c. 40 g d. 13.8 g e. NIL
3. What is the Molarity of a 3 .5 N
solution of NaCl?
a.
2.50 mol/l c. 1.5 mol/l e. NIL
b.
3.5 mol/l
d. 4.5
mol/l
4. The molecular weight of H3 PO4 is:
a. 98 c.
98 e. NIL
b. 48 d.
98.1
5. How many grams
of NaCl are required to make 2,000 ml.
of 0.2 M
solution?
a. 32.3 c.
46.32 e. NIL
b. 23.4 d. 40
6. What is the
Molar concentration of a 80 grm. of NaOH diluted to 1.5 liter of distilled
water?
a. 1.33 M c.
1.5 M e. NIL
b. 1 M d.
3 M
7. What is the amount of CaCl2.H2O in grams
is needed to prepare 0.2 N solution of
Ca Cl2?
a. 6.8 c. 32 e. NIL
b. 8 d.
55
8. One milligram is equal to:
a. 0.00001 grm. c.
0.01 grm. e. NIL
b. 0.0001 grm. d. 0.001 grm.
9. A 20 mgs. % solution contains:
a.
20 mgs of solute/100ml of
solution
b.
20 mgs
of solute/100 ml of diluent
c.
20 mgs
of solute/1000 ml of diluent
d.
20 mgs
of solute/1000ml of solution
e.
NIL
10. A 6 % solution of 1mg/100ml is diluted
1:20. What is the final concentration?
a. 12 % c.
0.12 % e. NIL
b. 0.02 % d.
0.03 %
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