REMIDI PH PENYANGGA DAN TITRASI

REMIDI PH PENYANGGA DAN TITRASI

11th Grade

15 Qs

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REMIDI PH PENYANGGA DAN TITRASI

REMIDI PH PENYANGGA DAN TITRASI

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Medium

Created by

Teti Sudiyarti

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Campuran larutan berikut bersifat buffer, kecuali....

CH3COOH dan CH3COOK

H2CO3 dan NaHCO3

NH3 dengan NH4Cl

HCl dengan NaCl

H3PO4 dengan NaH2PO4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Larutan penyangga dapat dibuat dengan pencampuran berikut, kecuali ….

. asam lemah berlebih dan basa kuat

basa lemah dan garamnya

asam lemah berlebih dengan basa kuat

asam lemah dan basa lemah

basa lemah dan asam konjugasinya

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Campuran yang menghasilkan buffer asam adalah…

100 mL HCN 0,1 M + 100 mL NaOH 0,1 M

100 mL HCN 0,2 M + 100 mL NaOH 0,1 M

200 mL HCN 0,1 M + 100 mL NaOH 0,2 M

200 mL HCl 0,2 M + 100 mL KOH 0,1 M

100 mL HCl 0,2 M +  100 mL NH4OH 0,1 M

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

I dan II

II dan III

III dan IV

I dan IV

II dan IV

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika 100 mL CH3COOH 0,2 M (Ka=10-5) dicampur dengan 50 mL CH3COONa 0,4 M maka pH larutan penyangga yang terjadi adalah….

4

5

6

7

9

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika ke dalam 50 mL NH3 0,1 M (Kb=10-5) dicampur dengan 50 mL (NH4)2SO4 0,005 m maka pH campuran adalah….

11

9

5

4

3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Besarnya konsentrasi ion H+ pada larutan yang mengandung asam propionate 0,1 mol (Ka=10-5) dan natrium propionate 0,01 mol adalah…

  10-3

10-4

10-5

10-6

10-7

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