Question

how many atoms of calcium are there in 40g of calcium?​

Answer 1

Answer:

so , this 40 g is can be said to be one mole of calcium atom. One mole of any substances contain the number of molecules or atoms equal to 6.022×10^23. = 3.011×10^22 atom will be contained in 2 grams .

Explanation:

so , this 40 g is can be said to be one mole of calcium atom. One mole of any substances contain the number of molecules or atoms equal to 6.022×10^23. = 3.011×10^22 atom will be contained in 2 grams .

Answer 2

Answer

40 gram calcium =

6.022×10^23.