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Calculate number of molecules of 23 …

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Calculate number of molecules of 23 g of Na.

Posted by Âťťíťůđē Bøý 2 years, 9 months ago

CBSE > Class 09 > Science

3 answers

Âťťíťůđē Bøý 2 years, 9 months ago

Thank u

0Thank You

Chandana Gupta 2 years, 9 months ago

As we know n=w/m & n=N/N⁰(N⁰=Avogadro No.=6.022×10²³) So, w/m=N/N⁰ w=given weight=23g m=molecular mass(here, for Na)=23g N=no. of particles=? So, 23/23=N/6.022×10²³ 1=N/6.022×10²³ 6.022×10²³=N So, the answer is 6.022×10²³ molecules.

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Âťťíťůđē Bøý 2 years, 9 months ago

Please answer do

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