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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

Respuesta :

there goes the ist of what you're supposed to do.
Ver imagen itrinity
zame

Answer:

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

Explanation:

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