Join the IDNLearn.com community and start getting the answers you need today. Get step-by-step guidance for all your technical questions from our dedicated community members.

How many molecules are present in 2.0 moles of nitrogen gas N2?A) 3.01 x 10 to power 23B) 6.02 x 10 power 23c) 5.6 x 10 power 24d 1.2 x 10 power 24

Sagot :

Answer:

d) 1.2 x 10²⁴ (molecules).

Explanation:

The Mole => Avogadro's Number.

Remember that the Avogadro's number is 6.022 x 10²³ molecules/mol. This means that we have 6.022 x 10²³ molecules in 1 mol. We want to find how many molecules there are in 2.0 moles of N2 gas, so the calculation will look like this:

[tex]2.0\text{ moles N}_2\cdot\frac{6.022\cdot10^{23}\text{ molecules}}{1\text{ mol }}=1.2\cdot10^{24}\text{ molecules N}_2.[/tex]

To convert from moles to molecules you just have to multiply the number of moles by Avogadro's number, so in this case, the answer would be d) 1.2 x 10²⁴ (molecules).

We appreciate every question and answer you provide. Keep engaging and finding the best solutions. This community is the perfect place to learn and grow together. Trust IDNLearn.com for all your queries. We appreciate your visit and hope to assist you again soon.