Answer :
The amount of copper (in moles) in a 35.8-g pure copper sheet = 0.564 moles.
Given:
Mass = 35.8 g
Molar mass of copper = 63.5 g/mol
It home contains copper, a lovely and practical metallic element, both in its pure form and as chemical compounds. The International System of Units uses the mole (symbol: mol) as the unit of material quantity (SI). The amount of a substance determines how many elementary entities of that substance are present in an object or sample.
Moles can be calculated using the formula:
Number of moles = Mass/ Molar mass
Putting values in above equation, we get
Number of moles = 35.8 g / 63.5 g/mol
Number of moles = 0.564 moles
So, The amount of copper (in moles) in a 35.8-g pure copper sheet = 0.564 moles.
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