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Q: What is the percent by mass of oxygen in MgO?
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Percent error of O in MgO?

If you think to magnesium oxide and to concentration of oxygen in MgO the answer is 40,007 33 % oxygen.


What is the percent composition of magnesium (mg) on MgO?

60%


Empirical formula of a compound containing 60.3 percent magnesium and 39.7 percent oxygen?

MgO


What is the mass percent of oxygen in of N2O4?

The percent by mass of oxygen in N2O4 is 69,56 %.


How find percent compsotion of oxygen in Na2O?

To find the percent composition of oxygen in Na2O, find the total molar mass of the compound. Then, divide the molar mass of oxygen by the molar mass of the compound, and multiply by 100% to get the percent oxygen.


What is the mass percent of oxygen in SO2?

The mass percent of oxygen in SO2 is 50 %.


What is the percent of oxygen by mass in a pure sample of FeCr2O4?

the answer is 29 percent


What do magnesium and oxygen equal?

magnesiumoxide MgO


If some magnesium oxide had escaped from The Crucible would the percentage composition calculation of magnesium be too high or too low?

The percent of Mg calculated will be too high. Let's say that you reacted 1.00 g of Mg and made some MgO, but so much MgO escaped as smoke that only 1.00 g of MgO was left. You would then conclude from the numbers that the mass of O in the MgO was zero! This would lead you to conclude that the percent of Mg in the MgO was 100 %, which is silly and clearly in error. Although this is an extreme example, it illustrates that the loss of MgO as smoke from the crucible leads to a percent of Mg (calculated) that is above the expected 60.3 %.


What is the mass percent of oxygen in estriol?

Estriol (C18H24O3) contain 16,644 % oxygen.


What is the percent composition in magnesium in MgO?

60%


What is the approximate percent by mass of oxygen in SO3?

60%