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Chemistry F4 Chp 6.5

Authored by Bercham edu2

Chemistry

10th Grade

Used 52+ times

Chemistry F4 Chp 6.5
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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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