Skip to content
Login Register

Practice question

MCQ

Question

In the estimation of nitrogen by Dumas method, 0.4 g of a compound produces 84 mL of N₂ at STP, and in Carius method, 0.4 g gives 0.382 g of AgCl. What is the percentage of nitrogen?

Options

Choose one · Correct answer highlighted

Explanation

Mass of N = (28/22400) × 84 = 0.105 g. Percentage = (0.105/0.4) × 100 = 26.25%. (Carius data is a distractor for chlorine.)

Discussion

Comments

0 comments

No comments yet. Be the first to start the discussion.

Related blogs

Guides and insights connected to this topic