Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science State Board
Class 10
Atoms and Molecules
Difference between Atoms and molecules
15.
Number of atoms in a substance
Exercise condition:
4
m.
Nila
is writing an exam and she is asked to calculate the number of atoms in
\(32\) gram of magnesium
. (
Atomic mass of \(Mg=24\)
). Her answer would be
\(x\times\)
10
y
. What are \(x\) and \(y\)?
Note: Give the answer of (x) in two decimal places.
Answer:
\(x=\)
\(y=\)
Login
or
Fast registration
Previous exercise
Exit to the topic
Next test
Send feedback
Did you find an error?
Send it to us!