Answers

2014-06-09T19:45:54+05:30
1000cm³=1L
500cm³=0.5L
1dm³=1L
molarity=mole/litre=0.4M
no.of moles=molarity*volume in L=0.4*0.5=0.2
No.of moles=mass/molecular mass
mass=0.2*159=31.8g

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