# Problem: Which statement below is true?a. The number of Ni atoms in 100 moles of Ni (s) is the same as the number of Ni atoms in 100 moles of nickel (II) chloride, NiCl2.b. One moles of NH 3 weighs more than one mole of H 2O.c. There are equal numbers of nitrogen atoms in one mole of NH 3 and one mole of N 2.d. The number of Cu atoms in 100 grams of Cu (s) is the same as the number of Cu atoms in 100 grams of copper (II) oxide, CuO.e. There are more hydrogen atoms in 2 moles of NH 3 than in 2 moles of CH 4.

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Which statement below is true?

a. The number of Ni atoms in 100 moles of Ni (s) is the same as the number of Ni atoms in 100 moles of nickel (II) chloride, NiCl2.

b. One moles of NH 3 weighs more than one mole of H 2O.

c. There are equal numbers of nitrogen atoms in one mole of NH 3 and one mole of N 2.

d. The number of Cu atoms in 100 grams of Cu (s) is the same as the number of Cu atoms in 100 grams of copper (II) oxide, CuO.

e. There are more hydrogen atoms in 2 moles of NH 3 than in 2 moles of CH 4.

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Mole Concept concept. You can view video lessons to learn Mole Concept. Or if you need more Mole Concept practice, you can also practice Mole Concept practice problems.

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Based on our data, we think this problem is relevant for Professor Gillespie's class at FIU.