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18.07.2019 •
Chemistry
What bonds are broken during the combustion of methane (ch4) to form water and carbon dioxide?
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Ответ:
The reaction is :
CH4 +2O2 -> CO2 + 2H2O
Ответ:
1.20 M
Explanation:
Convert grams of Na₂CO₃ to moles. (50.84 g)/(105.99 g/mol) = 0.4797 mol
Molarity is (moles of solute)/(liters of solvent) = (0.4797 mol)/(0.400 L) = 1.20 M