Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Chemistry
Chemistry
Problem
Number of mole of
N
a
+
Na^+
N
a
+
ions in 20 litre of 0.4 M
N
a
3
P
O
4
Na_3PO_4
N
a
3
P
O
4
is : a. 8 b. 24 c. 16 d. 12
Browse the problem library