Get 2 FREE Instant-Explanations on Filo with code FILOAPP

Home

Chemistry Part-I

Equilibrium

If 0.561 g of KOH is dissolved in water to give 200 mL of sol

Chemistry Part-I

Class 11

NCERT

Chapter 1: Some Basic Concepts of Chemistry

44 questions

Chapter 2: Structure of Atom

85 questions

Chapter 3: Classification of Elements and Periodicity in Properties

50 questions

Chapter 4: Chemical Bonding and Molecular Structure

44 questions

Chapter 5: States of Matter

28 questions

Chapter 6: Thermodynamics and Thermochemistry

36 questions

Chapter 7: Equilibrium

101 questions

The

p H

of milk, black coffee, tomato juice, lemon juice and egg white are

6.8, 5.0, 4.2, 2.2

and

7.8

respectively. Calculate corresponding hydrogen ion concentration in each.

If 0.561 g of

K O H

is dissolved in water to give 200 mL of solution at 298 K. Calculate the concentrations of potassium, hydrogen and hydroxyl ions. What is its

p H

The solubility of

S r (O H)_{2}

at 298 K is 19.23 g/L of solution. Calculate the concentrations of strontium and hydroxyl ions and the

p H

of the solution.

View all question

Question

Medium

Solving time: 4 mins

If 0.561 g of $K O H$ is dissolved in water to give 200 mL of solution at 298 K. Calculate the concentrations of potassium, hydrogen and hydroxyl ions. What is its $p H$ ?

Views: 6,261 students

Book:

Chemistry Part-I (NCERT)

Found 6 tutors discussing this question

Samuel Discussed

If 0.561 g of

K O H

is dissolved in water to give 200 mL of solution at 298 K. Calculate the concentrations of potassium, hydrogen and hydroxyl ions. What is its

p H

14 mins ago

Discuss this question LIVE

14 mins ago

Text solutionVerified

[K O H] = [K^{+}] = [O H^{-}] = \frac{0.561 \times 1000}{56 \times 200} = 0.050 M

[H^{+}] = \frac{K _{w}}{O H ^{-} ]} = \frac{1 0 ^{- 14}}{0.05} = 2.0 \times 1 0^{- 13}

p H = - l o g [H^{+}] = - l o g (2.0 \times 1 0^{- 13}) = 12.699

Was this solution helpful?

Report

One destination for complete JEE/NEET preparation

One destination to cover all your homework and assignment needs

Learn Practice Revision Succeed

Instant 1:1 help, 24x7

60, 000+ Expert tutors

Textbook solutions

Big idea maths, McGraw-Hill Education etc

Essay review

Get expert feedback on your essay

Schedule classes

High dosage tutoring from Dedicated 3 experts

Trusted by 4 million+ students

Practice more questions from Chemistry Part-I (NCERT)

The

p H

of milk, black coffee, tomato juice, lemon juice and egg white are

6.8, 5.0, 4.2, 2.2

and

7.8

respectively. Calculate corresponding hydrogen ion concentration in each.

If 0.561 g of

K O H

is dissolved in water to give 200 mL of solution at 298 K. Calculate the concentrations of potassium, hydrogen and hydroxyl ions. What is its

p H

The solubility of

S r (O H)_{2}

at 298 K is 19.23 g/L of solution. Calculate the concentrations of strontium and hydroxyl ions and the

p H

of the solution.

View all

Stuck on the question or explanation?

Connect with our Chemistry tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Question Text	If 0.561 g of $K O H$ is dissolved in water to give 200 mL of solution at 298 K. Calculate the concentrations of potassium, hydrogen and hydroxyl ions. What is its $p H$ ?
Topic	Equilibrium
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1
Upvotes	90

If 0.561 g of $K O H$ is dissolved in water to give 200 mL of solution at 298 K. Calculate the concentrations of potassium, hydrogen and hydroxyl ions. What is its $p H$ ?

Text solutionVerified

Practice more questions from Chemistry Part-I (NCERT)

Practice questions from Chemistry Part-I (NCERT)

Practice more questions from Equilibrium

Practice questions on similar concepts asked by Filo students

If 0.561 g of KOH is dissolved in water to give 200 mL of solution at 298 K. Calculate the concentrations of potassium, hydrogen and hydroxyl ions. What is its pH ?

Text solutionVerified

Practice more questions from Chemistry Part-I (NCERT)

Practice questions from Chemistry Part-I (NCERT)

Practice more questions from Equilibrium

Practice questions on similar concepts asked by Filo students

Related books for questions on Equilibrium

If 0.561 g of $K O H$ is dissolved in water to give 200 mL of solution at 298 K. Calculate the concentrations of potassium, hydrogen and hydroxyl ions. What is its $p H$ ?