XI Waktunya Ujian

XI Waktunya Ujian

11th Grade

22 Qs

quiz-placeholder

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XI Waktunya Ujian

XI Waktunya Ujian

Assessment

Passage

Chemistry

11th Grade

Practice Problem

Hard

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22 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

5 mins • 2 pts

Tentukan manakah garam-garam berikut yang termasuk garam terhidrolisis total!

Amonium fosfat

Stronsium asetat

Litium bikarbonat

Kalium nitrat

Tembaga (II) karbonat

2.

MULTIPLE SELECT QUESTION

5 mins • 3 pts

Tentukan manakah garam-garam berikut yang termasuk garam terhidrolisis parsial!

Amonium bikarbonat

Seng (II) klorida

Barium fluorida

Natrium klorida

Litium karbonat

3.

MULTIPLE SELECT QUESTION

5 mins • 2 pts

Tentukan manakah garam-garam berikut yang termasuk garam tidak terhidrolisis sama sekali!

Kalium nitrit

Rubidium fluorida

Timbal (II) asetat

Kalsium sulfat

Stronsium klorida

4.

FILL IN THE BLANK QUESTION

5 mins • 4 pts

Tentukanlah pH dari larutan berikut:

5 mL larutan berilium sulfat 0,001 M (Kb berilium hidroksida = 10-12)

log 3 ≈ 0,5

5.

FILL IN THE BLANK QUESTION

5 mins • 4 pts

Tentukanlah pH dari larutan berikut:

0,1 mol kalium fluorida dilarutkan hingga 500 mL (Ka = 8x10-5)

log 2 ≈ 0,3

6.

FILL IN THE BLANK QUESTION

5 mins • 4 pts

Tentukanlah pH dari larutan berikut:

100 mL natrium formiat 0,04 M + 900 mL aquadest (Ka = 4x10-5)

7.

FILL IN THE BLANK QUESTION

5 mins • 5 pts

Tentukanlah pH dari larutan berikut:

400 mL asam sulfida 0,1 M direaksikan dengan 100 mL kalsium hidroksida 0,1 M (Ka asam sulfida = 2x10-6)

log 2 ≈ 0,3 dan log 3 ≈ 0,5

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