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a sample of cabr2 and nabr contains 2.4×10^23 atoms of ca and 6.6×10^23 atoms of br. mass of nabr in the given sample is |
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Answer» Moles of Na, n Na
= M w
= 2.04
=0.088 Moles of C, n C
= N A
N
= 6.022×10 23
2.65×10 22
=0.044 Moles of O, n O
=0.132 Now, n Na
:n C
:n O
=0.088:0.044:0.132=2:1:3 The empirical formula of the COMPOUND =Na 2
3
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