calculate two no of particles and moles of the following 1)205g of phosphors 2)50g of lithium
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Atomic mass of phosphorus is 31
Moles= give mass / molecular mass
So it's moles = 105/31 approximately 3.3
No of molecules = moles* 6.02*10^23
No of molecules = 19.8 * 10^23 approx
On the same way moles of lithium in this case is 50/7 approx 7.1
No of molecules is 42 * 10^23
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