CHEMISTRY | MOLE CONCEPT | Question 13
A sample contains 27.2g of calcium Oxide. How many moles of calcium Oxide are there in the sample?
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DATA GIVEN:
Data:
Mass of CaO = 27.1g
Asked:
To find the mole of CaO
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Mole of CaO
From:
Mole = mass /Molar mass
Molar mass of CaO = 56g
Moles = 27.1g /56g/mole
= 0.4839 mole
0.4839 mole of CaO was found
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