Asked by viishu mehta
                Calculate the value of Avogadro's no if density is =2.165g/cm3 find distance bw Na+and Cl_ in NaCl =281pm
            
            
        Answers
                    Answered by
            bobpursley
            
    For NaCl lattice,
a=2(r++r−)=2×281=562 pm
d=zMNA×V
z is 4 because only 4 NaCl are present in a unit cell
2.165=4×58.5NA×(562×10−10)3
NA=6.01×1023
    
a=2(r++r−)=2×281=562 pm
d=zMNA×V
z is 4 because only 4 NaCl are present in a unit cell
2.165=4×58.5NA×(562×10−10)3
NA=6.01×1023
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