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Percentage composition


Percentage of Mg in MgO


Percentage of oxygen in CO2


Percentage of calcium in CaCO3


Percentage of Nitrogen in H2NO4


Percentage of carbon in CaCO3


Percentage of chlorine in MgCl2


Percentage of oxygen in CaCO3


Percentage of Iron Fe2O3


Percentage of oxygen in Mg(OH)2


please show all working out for each question

Verified Answer :

there goes the ist of what you're supposed to do.

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zame

Answer:

do your work and stay focused. It's been 4 years, hope you're doing well

Explanation:

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