sotonizhonii sotonizhonii

04-03-2021
Chemistry

contestada

how many molecules are present in a sample of carbon dioxide, CO2 with a mass of 168.2g?

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louisaawiddit louisaawiddit

04-03-2021

Answer:

2.3 X 10^24 atoms CO2

Explanation:

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leahwinter leahwinter

04-03-2021

Answer:

2.30 x10²⁴ molecules CO2

Explanation:

Convert mass of CO2 to moles

Convert moles of CO2 to molecules using Avogadro's number.

168.2 g CO2 x 1 mole CO2 / 44 g CO2 x 6.022 x10²³ molecules CO2 / 1 mole CO2

= 2.30 x10²⁴ molecules CO2

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