Q.

Cisplatin, an anticancer drug, has the molecular formula Pt(NH3)2Cl2. What is the mass (in gram) of one molecule ? (Atomic weights : Pt=195, H=1.0, N=14, Cl=35.5)

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a

4.98 x 10-21

b

4.98 x 10-22

c

6.55 x 10-21

d

3.85 x 10-22

answer is B.

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Detailed Solution

Mass of one molecule  =300×1.66×1024g
=4.98×1022g

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