How many moles are in 7.12 x 1021 atoms of iron?

0.0118mol

Explanation:

To obtain the number of moles (n) in the given number of molecules of iron, we divide by Avagadro's number (6.02 × 10²³).

That is; n = number of molecules ÷ nA

According to this question, there are 7.12 x 1021 atoms of Iron (Fe).

n = 7.12 x 10²¹ ÷ 6.02 × 10²³

n = 7.12/6.02 × 10^ (21 - 23)

n = 1.183 × 10^-2

n = 0.0118mol

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them