Find (I) No. of moles of cu atom In 10^(20) atoms of cu. (ii) Mass o – InterviewSolution

1.	Find (I) No. of moles of cu atom In 10^(20) atoms of cu. (ii) Mass of 200atoms in amu. (iii) Mass of 100 atoms ofin amu . (iv) No. of molecules & atoms in 54 gm H_(2)O. (v) No. of atoms in 88 gm CO_(2).
Answer» Answer :`(i)(10^(20))/(N_(A))"MOLES"""(II)3200 "amu"""(iii)14xx1.66xx10^(-24)100g""(iv)3N_(a),9N_(9)""(v)6N_(A)`

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