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Class 10 > Learn Science > Calculate the number of particles in 46g of Na atoms...
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Calculate the number of particles in 46g of Na atoms (number from mass).

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atomic mass of Na=23uNumber 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.
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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.

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