Antara berikut, yang manakah unit yang digunakan untuk mengukur kepekatan?
Which of the following unit are used to measure concentration?
Chemistry F4 Chp 6.5
Quiz
•
Chemistry
•
10th Grade
•
Medium
Bercham edu2
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Antara berikut, yang manakah unit yang digunakan untuk mengukur kepekatan?
Which of the following unit are used to measure concentration?
g dm-3
dm3 mol-1
g mol-1
mol dm-3
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
40 g pepejal kuprum(II)sulfat, CuSO₄ dilarutkan di dalam air untuk menghasilkan 20 dm³ larutan. Hitungkan kepekatan kuprum(II)sulfat, CuSO₄ dalam unit g dm-3
40 g of solid copper(II)sulphate, CuSO₄ is dissolved in water to produce 20 dm³ solution. Calculate the concentration of copper(II)sulphate, CuSO₄ in g dm-3
2 g dm-3
0.5 g dm-3
2000 g dm-3
500 g dm-3
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
18 g pepejal natrium dioksida, NaOH dilarutkan di dalam air untuk menghasilkan 750 cm³ larutan. Hitungkan kepekatan larutan tersebut dalam unit g dm-3
18 g of solid sodium hydroxide pellets, NaOH is dissolved in water to produce 750 cm³ solution. Calculate the concentration of the solution in g dm-3
2.4 g dm-3
24 g dm-3
0.024 g dm-3
240 g dm-3
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
0.4 mol zink klorida, ZnCl2 dilarutkan dalam air untuk menghasilkan 2 dm3 larutan. Hitung kemolaran bagi larutan yang disediakan.
0.4 mol of zinc chloride, ZnCl2 is dissolved in water to produce 2 dm³ solution. Calculate the molarity of the solution prepared.
0.2 mol dm-3
0.5 mol dm-3
5.0 mol dm-3
0.02 mol dm-3
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kemolaran larutan natrium hidroksida, NaOH ialah 2 mol dm-3. Apakah kepekatan larutan tersebut dalam g dm-3?
Molarity of sadium hydroxide, NaOH solution is 2 mol dm-3 .What is the concentration of the solution in g dm-3?
[JAR/RAM; Na=23, O=16, H=1]
60 g dm-3
90 g dm-3
80 g dm-3
100 g dm-3
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Hitung kemolaran larutan yang diperoleh apabila 14 g kalium hidroksida, KOH dilarutkan dalam air suling untuk menyediakan larutan yang berisipadu 500 cm3.
Calculate the molarity of solution obtained when 14 g potassium hydroxide, KOH dissolved in distilled water to produce 500 cm3 solution
[JAR/RAM; K=39, H=1, O=16]
0.5 mol dm-3
0.3 mol dm-3
0.4 mol dm-3
0.2 mol dm-3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berapakah jisim natrium hidroksida, NaOH dalam gram yang patut dilarutkan dalam air untuk menyediakan 500 cm3 larutan natrium hidroksida 0.5 mol dm-3?
What is the mass of sodium hydroxide, NaOH in gram supposed to dissolve in water to produce 500 cm3 sodium hydroxide solution 0.5 mol dm-3?
[JAR/RAM; Na=23, H=1, O=16]
14 g
12 g
8 g
10 g
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