Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETChemistryStates of Matter

34.05 mL of phosphorus vapour weighs 0.0625 g at 546 °C and 0.1 bar pressure. What is the molar mass of phosphorus closest to?

Options

  1. A1247.5 g mol -1
  2. B1298.4 g mol -1
  3. C1285 g mol -1
  4. D1156.8 g mol -1

Correct answer

A. 1247.5 g mol -1

Step-by-step solution

Correct Option is : (A) 1247.5 g mol -1

Practice States of Matter on Quantrex Academy →

More from States of Matter

A steel cylinder of 8 litres capacity contain hydrogen gas at 12 atm pressure, At same temperature, how many cycle tubes of 4 litre capacity at 2 atmphere can be filled up with thi 2026The volume occupied by a given mass of gas at 298 K is 35 mL at 1 atmospheric pressure. Calculate the volume of the gas if pressure is decreased to 0.75 atmosphere at constant temp 2026A bubble of air is underwater at temperature 15 ^ C and the pressure 1.5 bar . If the bubble rises to the surface where the temperature is 25 ^ C and the pressure is 1.0 bar , what 2026Calculate the work done terms of dm ^3 bar when 200 ml of ethylene gas and 150 ml of HCl gas were allowed to react at 1 bar pressure. 2026A force of 450 N acts on a surface area of 15 cm ^2 . Find the pressure exerted. 2026Calculate the pressure in atm of 48 g oxygen gas in a 2 dm ^3 container at 27 ^ C . [ R = 0.0821 atm dm ^3 K ⁻¹ mol ⁻¹ ] 2026Identify false statement about real gas from following . 2026Find the number of molecules in 0.25 m ^3 of the gas at a pressure 2.0 10^2 kPa and a temperature 300 K . [R = 8.314 J K ⁻¹ mol ⁻¹] 2026 Full States of Matter list All NEET PYQs