Question

2.3g of sodium=_ number of gram atoms

Answer 1

so 23 g Na has 6.023 x 10 ²³ atoms

⇒ $\frac{23}{10}$ g Na has 6.023 x 10 ²² atoms

so 6.023 x 10 ²² atoms ANSWER

Answer 2

the atomic no of Na is 23 g which has 6.023 * 10^23

hence 2.3 g will have   ----------------->    ( 2.3 * 6.023 * 10^23) / 23   =   6.023 * 10^22