How many atoms are there in 177 g of calcium?


How many atoms are there in 177 g of calcium?

Avogadro's Number:

Avogadro's number is the number of units in one mole of a substance. It is the name given to the quantity {eq}6.022 \times 10^{23} {/eq}. Knowing the molar mass of a substance and the mass of a given sample allows us to determine the number of atoms/molecules in the sample.

Answer and Explanation:

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Given that the mass of a sample of calcium is 177 g, we are required to determine the number of atoms present in it. To be able to calculate this, we...

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Avogadro's Number: Using the Mole to Count Atoms


Chapter 2 / Lesson 4

What is the moles to atoms formula? How does one convert atoms to moles? Learn how to calculate the number of atoms in a sample from the relationship between moles and Avogadro's number.

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