The percentage by mass of oxygen in the compound
find the total mass=( 1.900+ 0250 +0.850) = 3
the percentage mass mass of oxgyen/total mass x100
that is (0.850/3) x100=28.33%
2.3 mols of Al*26.98 molar mass of Al=62.054g
<h3>Answer:</h3><h2>Chemical properties</h2><h3>Explanation:</h3>
By its very definition, a chemical property is one which is exhibited as a result of a chemical reaction. This may happen during or after the reaction. This is because in a chemical reaction there is a transformation in the physical composition of the components and this directly affects its chemical properties.
Answer: 3.01 * 10^35
Explanation:
500,000,000,000 * 6.02 * 10^23
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BTW reduction is the action or fact of making a specified thing smaller or less in amount, degree, or size.