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01-12-2020
Chemistry

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How many atoms are present in 1.4 grams of aluminum?

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01-12-2020

Answer: 3.2x10^23

Explanation:

Start by finding the molar mass of aluminum.

Then turn grams into moles by dividing grams of substance by molar mass. 1.4g÷26.98g

Then multiply that by 6.022x10^23 atoms. 0.0519x6.022x10^23

You can use dimensional analysis to solve this type of problem.

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