Question

A chemist weighed out 22.6g of calcium calculate the number of moles of calcium

Answer 1

0.564 moles

Step-by-step explanation:

the number of moles can be calculatef from the molar mass, since there is 22.6 grams of calcium, the number of moles would be 22.6/40.08 which equals 0.563872255 which is rounded to 3 sig figs to 0.564

Answer 2

0.564 moles

Step-by-step explanation:

the number of moles can be calculated from the molar mass, which is 40.08 grams per mole. since there is 22.6 grams of calcium, the number of moles would be 22.6/40.08 which equals 0.563872255 which is rounded to 3 sig figs to 0.564