Question

How many gram of glucose contains 60.22×10²³ atoms.​

Answer 1

Answer:

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Class 11

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>>Some Basic Concepts of Chemistry

>>Law of Chemical Combinations

>>One mole of any substance contains 6.022

Question

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One mole of any substance contains 6.022×10

23

atoms/molecules. Number of molecules of H

2

SO

4

present in 100mL of 0.02M H

2

SO

4

solution is __________.

Medium

Solution

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Correct option is A)

Moles of H

2

SO

4

= Molarity of H

2

SO

4

× Volume of solution (L)

=0.02×0.1

=2×10

−3

moles

No. of H

2

SO

4

molecules =2×10

−3

×6.022×10

23

=12.044×10

20

molecules

Therefore, the correct option is A.

Answer 2

Answer:

[tex]Moles of H2SO4= Molarity of H2SO4× Volume of solution (L)

=0.02×0.1

=2×10−3 moles

No. of H2SO4 molecules =2×10−3×6.022×1023=12.044×1020 molecules