Skip to content
MathsGenie logo
Open app

Course home

  1. A Level
  2. Chemistry OCR A
  3. Question bank

Amount of substance

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980
Question 76

A deep-sea diving gas cylinder contains a mixture of 12.0 g of helium gas (He\text{He}He) and 56.0 g of nitrogen gas (N2\text{N}_2N2​). The total pressure inside the cylinder is 180 kPa.

What is the partial pressure, in kPa\text{kPa}kPa, of nitrogen in this mixture?

108108108

72.072.072.0

103103103

148148148

Amount of substance Questions

  1. A Level
  2. /Chemistry
  3. /Amount of substance