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06-11-2016
Chemistry

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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

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itrinity itrinity

06-11-2016

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

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30-04-2020

Answer:

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

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