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Methane, CH4 burns in oxygen gas to form carbon dioxide and water. How many moles of carbon dioxide will be formed from 8.0g of methane?

The mass % of C in methane (CH4) is?...Can any one help me????

Calculate the percentage by mass of nitrogen in PtCl2(NH3)2...can anyone help me.??

The relative mass of aluminum chloride is 267 and its composition by mass is 20,3% Al and 79,7% chlorine. Determine the empirical and molecular formulas of Aluminum chloride.

A student was asked to make some copper(II) sulfate-5-5 (CuSO4.5(H2O) BY reacting copper(II) oxide (CuO) with sulfuric acid. a) Calculate the molar mass of the copper (II) sulfate-5-water which is (64+32+64) + (10+80)=250 mol b)Calculate the amount (in mo...

What is the concentration (M) of a NaCL solution prepared by dissolving 9,3g of Nacl in sufficient water give 350ml of solution?.Any idea???

How many grams of H3PO4 are in 175 Ml of a 3.5 M solution of H3PO4?

What mass of ethanoic acid would you used and how would you prepare 0,500 dm3 of a 0,500 mol dm3 ethanoic acid solution? (M of ethanoic acid=60,0)

Is B) Glycogen

thanks you very much.

12.a