Question:
$\mathrm{CO}_{2}$ gas is bubbled through water during a soft drink manufacturing process at $298 \mathrm{~K}$. If $\mathrm{CO}_{2}$ exerts a partial pressure of $0.835$ bar then $\mathrm{x} \mathrm{m} \mathrm{mol}$ of $\mathrm{CO}_{2}$ would dissolve in $0.9 \mathrm{~L}$ of water. The value of $x$ is - (Nearest integer)
(Henry's law constant for $\mathrm{CO}_{2}$ at $298 \mathrm{~K}$ is $1.67 \times 10^{3}$ bar $)$
Solution:
From Henry's law
$\mathrm{P}_{\mathrm{gas}}=\mathrm{K}_{\mathrm{H}} \cdot \mathrm{X}_{\mathrm{gas}}$
$0.835=1.67 \times 10^{3} \times \frac{\mathrm{n}\left(\mathrm{CO}_{2}\right)}{\frac{0.9 \times 1000}{18}}$
$\mathrm{n}\left(\mathrm{CO}_{2}\right)=0.025$
Millimoles of $\mathrm{CO}_{2}=0.025 \times 1000=25$
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- JEE Main
- Exam Pattern
- Previous Year Papers
- PYQ Chapterwise
- Physics
- Kinematics 1D
- Kinemetics 2D
- Friction
- Work, Power, Energy
- Centre of Mass and Collision
- Rotational Dynamics
- Gravitation
- Calorimetry
- Elasticity
- Thermal Expansion
- Heat Transfer
- Kinetic Theory of Gases
- Thermodynamics
- Simple Harmonic Motion
- Wave on String
- Sound waves
- Fluid Mechanics
- Electrostatics
- Current Electricity
- Capacitor
- Magnetism and Matter
- Electromagnetic Induction
- Atomic Structure
- Dual Nature of Matter
- Nuclear Physics
- Radioactivity
- Semiconductors
- Communication System
- Error in Measurement & instruments
- Alternating Current
- Electromagnetic Waves
- Wave Optics
- X-Rays
- All Subjects
- Physics
- Motion in a Plane
- Law of Motion
- Work, Energy and Power
- Systems of Particles and Rotational Motion
- Gravitation
- Mechanical Properties of Solids
- Mechanical Properties of Fluids
- Thermal Properties of matter
- Thermodynamics
- Kinetic Theory
- Oscillations
- Waves
- Electric Charge and Fields
- Electrostatic Potential and Capacitance
- Current Electricity
- Thermoelectric Effects of Electric Current
- Heating Effects of Electric Current
- Moving Charges and Magnetism
- Magnetism and Matter
- Electromagnetic Induction
- Alternating Current
- Electromagnetic Wave
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