Question

No. of atoms in 9 gram of glucose.
a 3×Na(means Avagadro no.)
b 6×Na
c Na
d none

Explain the real Answer.​

Answer 1

Answer:

d) none  

Explanation:

9 grams of glucose(C6H12O6) contains 1/20 moles of molecules hence total no of molecules = 1/20 * Avagadro no.

as    moles= mass/molar mass

         =  9/180

         = 1/20

and   no of molecule = moles*Na

Answer 2

Answer:

Glucose = C6H12O6

Molecular weight = 72 + 12 + 96 = 180g

No. of atoms = given mass

Na molecular mass

No. Of moles = 9 x Na = Na = 0.05Na

180 20

Hence the option D. Is correct.

Hope you understood well.

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