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Question

Chemistry Question on Some basic concepts of chemistry

A person adds 1.71 gram of sugar (C12H22O11)(C_{12}H_{22}O_{11}) in order to sweeten his tea. The number of carbon atoms added are (mol. mass of sugar = 342)

A

3.6×10223.6 \times 10^{22}

B

7.2×10217.2 \times 10^{21}

C

0.05

D

6.6×10226.6 \times 10^{22}

Answer

3.6×10223.6 \times 10^{22}

Explanation

Solution

Moles of sugar added =1.71342=5×103=\frac{1.71}{342}=5\times10^{-3} Carbon atoms added =12×5×103×6.02×1023=12\times5\times10^{-3}\times6.02\times10^{23} =3.61×1022=3.61\times10^{22}