wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The formula unit mass of Na2O is ____.

A
50
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
52
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
62
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
48
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 62
Formula unit mass is the sum of the atomic masses of all the ions that form an ionic compound.

Na2O is constituted by two Na+ and one O2 ions.

Hence, the formula unit mass of Na2O = (2 × atomic mass of Na) + atomic mass of O = (2 x 23) + 16 = 62 u.

flag
Suggest Corrections
thumbs-up
7
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Coding Decoding
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon