Calculate the mass of the following substance: a) 2.5 x 10^23 molecules of N2

Avogrado's constant = 6.02214086 × 1023 mol-1 2.5/6.02=0.415 Ar of N = 14 Mr of N2 = 28 28 x 0.415=11.62

Answered by Kishan P. Chemistry tutor

12700 Views

See similar Chemistry A Level tutors

Related Chemistry A Level answers

All answers ▸

Describe the key properties that rely upon metallic bonding and explain this.


Explain why Scandium is not considered a true transition metal.


Describe and explain the reactivity trend of the Group 2 elements


Explain how pH changes can be minimised using a mixture of a weak acid and it's conjugate base


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences