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LATIHAN SOAL ASAM BASA

Authored by Purwo Rahadityo

Chemistry

11th Grade

Used 35+ times

LATIHAN SOAL ASAM BASA
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the pH of a 0,10 M HC4H7O2 solution ? The Ka of HC4H7O2 is 1,5 x 10-5

1,0

2,9

4,7

8,5

10,3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following will be acidic ?

NaOH

NH3

NaCl

NH4Cl

CH3CONH2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Identify the conjugate pairs in the following reaction ?


HCHO2 + CH3NH2 === CHO2- + CH3NH3+

HCHO2 / CH3NH2

HCHO2 / CHO2-

CH3NH2 / CHO2-

CHO2- / CH3NH3+

None of the above are conjugate pairs

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the conjugate acid of HPO42- ?

H4PO4+

H3PO4

H2PO4-

HPO42-

PO43-

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following is true about an aqueous solution of C5H5NHCl ?

The solution is acidic due to the presence of C5H5NH+

The solution is acidic due to the presence of HCl

The solution is basic due to the presence of Cl-

The solution is basic due to the presence of C5H5N

The solution is neutral because both ions are spectator ions

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Berapakah pH sebuah buffer HC2H3O2 dan NaC2H3O2 jika konsentrasi keduanya sama ?

2,31

4,74

5,93

7,08

9,62

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Dalam larutan dengan pH = 4,35 berapakah [H+] ?

6,7 x 10-3 M

3,5 x 10-4 M

4,5 x 10-4 M

3,5 x 10-5 M

4,5 x 10-5 M

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