Neco 2019 Chemistry Question 49

Practice objective / multiple choice question 49 from the 2019 Neco Chemistry examination.

Neco 2019 Chemistry Objective / Multiple Choice Medium Difficulty
Question 49 NECO • 2019 • CHEMISTRY • objective

A 3.20 g sample of an unknown gas occupies 2.00 L at 27°C and a total pressure of 750 mmHg when collected over water. The vapor pressure of water at 27°C is 26.7 mmHg. Calculate the molar mass of the gas.

Answer Options

A. 38.7
Correct Answer B. 41.4
C. 46.5
D. 44.2
Correct Answer
B
Correct Option:
41.4

About This Question

This is Neco 2019 Chemistry Question 49. It is one of the objective questions from the 2019 Neco Chemistry examination.

Difficulty level: Medium .

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