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Worksheets11. Sınıf Kimya Pop-quiz - 7 (Çözeltiler)
Total questions: 18
Worksheet time: 54mins
How many mL of 1 M HCl solution should be used to prepare 200 mL 0.25 M HCl solution?
50
100
200
400
500
What should be the volume ratio of 0.2 M KCl and 0.8 M KCl solutions mixed in order to obtain 0.4 M KCl solution?
3/2
1/4
2/3
1/2
3/4
In order to prepare 600 mL 3 M HCl solution, how many mL of HCl solution, with 1.2 g/cm3 density and 36.5% mass percentage, is required? (HCl:36.5)
150
200
250
300
400
4 g NaOH is added to 500 mL 0.2 M NaOH solution and 100 mL water is evaporated from the solution. What is the molar concentration of this solution after the process? (NaOH:40)
0.2
0.4
0.5
0.8
1
40 grams of water, 10 grams of salt, 50 grams of 30% by mass and 50 grams of 10% by mass salt solutions are mixed. What is the mass percentage of the final solution?
5
10
15
20
25
The concentration of the solution obtained by dissolving 44 grams of CaX2 solid in 500 grams of water is 0.8 molal. What is the atomic mass of X in g/mol? (Ca: 40 g/mol)
19
20
30
35
80
Cl2 gas is used for disinfection of swimming pools. If 60 grams of Cl2 gas was found in the pool containing 30 tons of water, what is the concentration of Cl2 in ppm?
0.2
0.5
2.0
4.0
5.0
Cologne containing 80% ethyl alcohol by volume can be used as a disinfectant. What is the total volume of cologne obtained with 480 grams of ethyl alcohol? (dethyl alcohol: 0.8 g/mL)
520
600
680
750
800
Two separate solutions of equal mass are prepared using X and Y liquids. The mole fractions of the X in these two solutions are 2/3 and 3/5. What is the ratio between the masses of Y in these solutions? (X: 10 g/mol, Y: 20 g/mol)
7/8
3/4
7/3
3/7
1
Considering the figures given below answer the following questions.
a) Which solution is the most concentrated one?
(a)
Considering the figures given below answer the following questions.
b) Which solution is the least concentrated one?
(a)
Considering the figures given below answer the following questions.
c) Solution II is (a) with respect to solution III.
Considering the figures given below answer the following questions.
d) Solution I is (a) with respect to solution III.
Considering the figures given below answer the following questions.
e) When solutions I and IV are mixed, the mixture is (a) with respect to solution V.
Considering the figures given below answer the following questions.
f) When solutions I and V are mixed, the mixture is (a) with respect to solution III.
Considering the figures given below answer the following questions.
g) If you evaporate 1/3 of the water in solution V, the resulting solution has the same concentration as solution (a)
Considering the figures given below answer the following questions.
h) If you evaporate half of the water in Solution I, the resulting solution has the same concentration as solution (a)
Considering the figures given below answer the following questions.
i) If you add water to solution IV and complete the volume to 3V, the resulting solution has the same concentration as solution (a)
