View the step-by-step solution to:


Please help me to solve.

Determine the number of atoms in each of the following quantities of

an element.

  1. 19.9 g B

  1. 32.2 g Ca

  1. 1.8 g Ne

Top Answer

1. 19.9 g B Given mass = 19.9 g Atomic mass of B = 10.811 amu so no of moles = given mass / atomic mass = 19.9 / 10.811 =... View the full answer

Sign up to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question