LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
in Science by (67.9k points)

Calculate the number of moles present in:

  1. 3.011 x 1023 number of oxygen atoms.
  2. 60 g of calcium

[Given that atomic mass of Ca = 40 u, Avogadro No. = 6.022 x 1023]

1 Answer

+1 vote
by (49.1k points)
selected by
Best answer

1 mole of oxygen contains 6.022 x 1023 atoms

\(\therefore \) 6.022 x 1023 atoms of oxygen = 1 mol

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.