Problem: The world population is estimated to be approximately 7 billion people. How many moles of people are there?Express your answer using one significant figure and include the appropriate units.

FREE Expert Solution

We’re being asked to calculate for the moles of people.


Given:                        7.0x109 people

                                    Avogadro’s number = 6.022 x 1023 entities

                                      entities = atoms, ions, molecules, particles, formula units

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Problem Details

The world population is estimated to be approximately 7 billion people. How many moles of people are there?

Express your answer using one significant figure and include the appropriate units.

Frequently Asked Questions

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.