Which of the following would have the greatest mass?

15.0 moles of N
20.0 moles of H
5.0 moles of Zn
1.0 moles of Pb

5.0 moles of Zn.

Explanation:

From the molar masses we get 15 moles of N  =  15* 14 =   210 g.

20 moles of H = 20.16 g,

5 moles of Zn = 5*65.38 = 326.9 g.

1 mole of lead = 207.2 g.

the food using pesticides in the future will harm you by giving you diseases like cancer or something since they have things that we should not eat in it like chemicals or pesticides. that is why organic food is more expensive because they take the time to make it right and healthy for you to eat.

explanation: