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What are the total number of moles of at...

What are the total number of moles of atoms in 4.32 g of `Sc(NO_(3))_(3)?`
(Atomic weights: Sc = 45.0, 0 = 16.0, N = 14.01).

A

`0.0132`

B

`0.324`

C

`0.0187`

D

`0.24`

Text Solution

Verified by Experts

The correct Answer is:
C
No. of moles `=("Given mass")/("Molar mass")=(4.32)/(231)=0.0187`
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