Question

how many atoms of phosphorous are present in 5g of it?​

Answer 1

RAM of phosphorus is 31

So, 31 g of phosphorus contains 6.023 * 10²³ atoms of phosphorus

So, 5 g of phosphorus contains ((6.023/31)*5) * 10²³ atoms of phosphorus

So, 5 g of phosphorus contains 0.97 * 10²³ atoms of phosphorus

it can also be written as 9.7 * 10²² atoms of phosphorus

Answer 2

0.97*10^23
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