Home
Class 11
CHEMISTRY
Calculate the number of moles in the fol...

Calculate the number of moles in the following : (2) 7.9 mg of Ca

Text Solution

Verified by Experts

7.9 mg of Ca `=7.9 xx 10^(-3)g` of Ca
Atomic mass of Ca= 40.1
Moles of `Ca= ("Mass of Ca")/("atomic mass") = (7.9 xx 10^(-3))/(40.1)= 1.97 xx 10^(-4)` mol
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    OMEGA PUBLICATION|Exercise Multiple Choice Questions (MCQs)|29 Videos

  • SAMPLE QUESTION PAPER -v (PUNJAB)

    OMEGA PUBLICATION|Exercise QUESTION|45 Videos

  • STATES OF MATTER

    OMEGA PUBLICATION|Exercise Multiple Choice Questions (MCQs) |29 Videos

Similar Questions

Explore conceptually related problems

Calculate the number of moles in the following 4.68 mg of silicon

Calculate the number of moles in the following masses : 83.5 mg of F

Calculate the number of moles in the following masses : 3.68 g of Fe

Calculate the number of moles in the following : (1) 1.46g metric tones of Al.

Calculate the number of moles in the following 7.85g of iron

Calculate the number of moles in the following 65.6mu g of carbon

Calculate the number of moles in : 52g of He

Calculate number of moles in 48g of NH3

Calculate the number of moles in : 52g of He.

Calculate number of moles in 132g of PCl5