80 cm3 air suling ditambah kepada 20 cm3 HCl 1.0 mol dm-3. Apakah kepekatan larutan yang terhasil?

Kepekatan Larutan Akueus

Quiz
•
Chemistry
•
10th - 12th Grade
•
Medium
Efa Rahim
Used 119+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
0.20 mol dm-3
0.15 mol dm-3
0.30 mol dm-3
0.90 mol dm-3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah kepekatan suatu larutan NaOH dalam g dm-3 jika kemolaran larutan itu ialah 0.5 mol dm-3 ?
[Jisim atom relatif: Na= 23;O = 16;H =1]
5 g dm-3
20 g dm-3
35 g dm-3
15 g dm-3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.6 g kalium hidroksida dilarutkan untuk menghasilkan satu larutan. Kepekatan larutan yang terhasil adalah 2 mol dm-3. Apakah isi padu larutan kalium hidroksida tersebut?
[Jisim atom relatif: K= 39;O = 16;H = 1]
50 cm3
150 cm3
200 cm3
300 cm3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah jisim NaOH yang diperlukan untuk menyediakan 250 cm3 larutan NaOH yang berkepekatan 100 g dm-3 ?
[Jisim atom relatif: Na= 23;O = 16;H = 1]
10 g
25 g
55 g
40 g
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
20 cm3 air suling dicampurkan kepada 50 cm3 asid sulfurik 1.0 mol dm-3. Apakah yang akan berlaku?
pH asid sulfurik akan bertambah
Kepekatan asid sulfurik akan bertambah
Bilangan mol asid sulfurik akan berkurang
Darjah penceraian asid sulfurik akan bertambah
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu larutan elektrolit mempunyai kepekatan 0.2 mol dm-3. Berapakah bilangan mol bagi 50 cm3 larutan itu?
0.01 mol
0.25 mol
1 mol
4 mol
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah jisim kalium hidroksida yang terdapat dalam 500 cm3 larutan kalium hidroksida 0.5 mol dm-3 ?
[Jisim atom relatif: K= 39;O = 16;H = 1]
5.6 g
14 g
30 g
42.5 g
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