A 558.5 g sample of iron contains twice as many atoms as 60.06 g of carbon, C; option D
What is a true statement?
A true statement is a statement that can be backed up by facts and evidence.
Considering the given statements about what 558.5 g sample of iron contains:
a. 558.5 mol of iron is false because 558.5 of iron contains 558.5/55.8 = 10 moles of iron
b. 6.02 x 10²³ atoms of iron because 56 g of iron contains 6.02 x 10²³ atoms of iron
c. ten times as many atoms as 0.5200 g of chromium, Cr is false 0.52 g of Cr contains 6.02 * 10²¹ atoms
d. twice as many atoms as 60.06 g of carbon, C is true because 60.06 g of carbon contains 60.06/12 = 5 moles of carbon.
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