Question

Which has more atom , 46 gram carbon atoms 0.1 mole of atoms or of sodium

Answer 1

Answer:

0.1

Explanation:

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Answer 2

Answer:

Explanation:

a)46g of Na atom

atomic mass of Na=23u

Number of particles=Number of Moles x N

⇒(given weight/ Gram atomic weight) x 6.023 x 10²³

=(46/23)x 6.023 x 10²³

=2x 6.023 x 10²³

⇒12.046 x 10 ²³Na particles

∴46 g of Na contains 12.044 x 10 ²³

0.1 moles of sodium atom

1mole of carbon atom = 12 g of carbon  contains 6.022 x 10²³ carbon atoms

0.1 moles of carbon contain =0.1 x 6.023 x 10²³

⇒ 6.023x10²² carbon atoms

∴0. mole contains  6.023x10²² sodium atoms