CHEM2411 TT2 Rapid Fire

CHEM2411 TT2 Rapid Fire

University

6 Qs

quiz-placeholder

Similar activities

accu

accu

University

10 Qs

archae

archae

University

11 Qs

Pre-Test Perkoperasian

Pre-Test Perkoperasian

University

3 Qs

ACC2706 Standard costs, flexible budgets & MOH Week 11

ACC2706 Standard costs, flexible budgets & MOH Week 11

University

10 Qs

Pollution

Pollution

University

10 Qs

ROP 1.1 Laundry Ops.Shaden 2

ROP 1.1 Laundry Ops.Shaden 2

University

11 Qs

JENIS AYAT

JENIS AYAT

University

10 Qs

The Random and Totally Useless Quiz

The Random and Totally Useless Quiz

KG - Professional Development

6 Qs

CHEM2411 TT2 Rapid Fire

CHEM2411 TT2 Rapid Fire

Assessment

Quiz

Education

University

Easy

Created by

Jenny Wong

Used 3+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A phosphate solution is at pH = 10. What is the major phosphate specie in solution?

For H3PO4: pKa1 = 2.15; pKa2 = 7.20; pKa3 = 12.35

H3PO4

H2PO4-

HPO42-

PO43-

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Is a solution of Na2HPO4 acidic, basic, or neutral?

For H3PO4: Ka= 7.11 × 10-3 ; Ka2 = 6.32 × 10-8 ; Ka3 = 4.50 × 10-13

Acidic

Basic

Neutral

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the titration of 40 mL 0.1M triprotic acid, H3A with 0.1M of NaOH. What volume of NaOH should be added to the acid solution to reach the 3rd equivalence point?

40 mL NaOH

20 mL NaOH

120 mL NaOH

80 mL NaOH

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A buffer was prepared by mixing 5.0 mL of 0.10 M NaH2PO4 with 2.5 mL of 0.10 M HCl. What is the acid and conjugate base that makes up this buffer?

Acid: H3PO4

Conj. Base: H2PO4-

Acid: H2PO4-

Conj. Base: HPO42-

Acid: HPO42-

Conj. Base: PO43-

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following compound is the most soluble in water?

CuBr

(Ksp = 5.0 × 10-9)

CuCl

(Ksp = 1.9 × 10-7)

CuI

(Ksp = 1.0 × 10-12)

CuSCN

(Ksp = 4.0 × 10-14)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following compound is equally soluble in acidic solution as it is in pure water?

HgS

Ca3(PO4)2

Al(OH)3

AgCl