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if the mass of 0.25 moles of an element x is 2.25 g,the mass of one atom of x is about:

if the mass of 0.25 moles of an element x is 2.25 g,the mass of one atom of x is about:

Grade:12

1 Answers

bhanu p
15 Points
10 years ago

It is given that, 0.25mol weighs 2.25g => 1mol weighs 9g .

Then also 9g contains  (6.022)1023 atoms  => 1 atom weighs 9/(6.022)1023  ~ (1.5)10-23 g.

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