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Question

Chemistry Question on Some basic concepts of chemistry

If one million atoms of silver weigh 1.79×10−16g1.79 \times 10^{-16}g, the gram atomic weight of silver is

A

1.7081.708

B

107.8107.8

C

10.7810.78

D

None of these

Answer

107.8107.8

Explanation

Solution

11 million =106= 10^6 Thus 10610^6 atoms weigh 1.79×10−16g1.79 \times 10^{-16}g, So 6.02×10236.02 \times 10^{23} atoms weigh =1.79 × 10−16106×6.023×1023 g= \frac{1.79\,\times\,10^{-16}}{10^{6}} \times 6.023\times10^{23}\,g