Question

2.
Find the percentage composition of Cu in blue vitriol (CuSO4. 5H20).
(Given, Atomic mass of Cu=63.5 amu, S=32 amu)​

Answer 1

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Answer 2

Explanation:

here is ur ans 63.5+32+64+90

= 63.5 +186

= 249.5

=63.5/249 ×100