Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Community ▾
A
A
Ravi makes a 0.0064 mol/L solution of a preservative… | StemPy Lab
Quizzes
/
Ravi makes a 0.0064 mol/L solution of a preservative acid HY, with Ka = 2.5 × 10⁻⁵. Working out the hydrogen ion concentration first, find the pH.
Chemistry
Medium
High School (11–12)
Equilibrium › Ionic Equilibrium: Acids, Bases and pH
A-Level
AEEE (Amrita)
AMUEEE
AP
AP EAPCET
BCECE
COMEDK UGET
GUJCET
IB
JCECE
JKCET
KCET
KEAM
KIITEE
LPUNEST
MET (Manipal)
MHT-CET
NEET
OJEE
SRMJEEE
TS EAPCET
UPESEAT
VITEEE
Created by
StemPy Lab
Ravi makes a
0.0064
mol/L
0.0064\ \text{mol/L}
0.0064
mol/L
solution of a preservative acid HY, with
K
a
=
2.5
×
10
−
5
K_a = 2.5 \times 10^{-5}
K
a
=
2.5
×
1
0
−
5
. Working out the hydrogen ion concentration first, find the pH.
6.80
6.80
6.80
4.60
4.60
4.60
3.40
3.40
3.40
2.19
2.19
2.19
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← A battery-acid sample is diluted to 0.0045 mol/L sulphuric acid. Take both of its protons as fully released. What is the pH?
Pure water at 25 °C is heated to 60 °C, and Kw rises. What is true of the hot water? →
More on
Equilibrium › Ionic Equilibrium: Acids, Bases and pH
Discussion (0)
Log in
to join the discussion.
Loading…
Problems on this topic
Hydrocyanic acid, HCN, has Ka = 4.9 × 10⁻¹⁰…
Medium
A cleaning solution holds 0.050 mol/L of ammonia, with Kb = 1.8 × 10⁻⁵…
Medium
Nitrous acid, HNO₂, has Ka = 4.5 × 10⁻⁴…
Hard
Hypochlorous acid, HOCl, keeps pool water clean…
Medium
All problems on this topic →