+1 vote
565 views
in Chemistry by (29.7k points)

What is the mass of: 

(a) 0.2 mole of oxygen atoms? 

(b) 0.5 mole of water molecules?

1 Answer

+2 votes
by (128k points)
selected by
 
Best answer

(a) Mass of one mole of oxygen atoms = 16g 

Then, mass of 0.2 mole of oxygen atoms = 0.2 × 16g = 3.2g 

(b) Mass of one mole of water molecule = 18g 

Then, mass of 0.5 mole of water molecules = 0.5 × 18g = 9g

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...