1.

According to the law of conservation of mass, what is the mass of sodium oxide (Na2O) formed in this reaction?

Answer»

D. 123.96 gramsExplanation: 4 NA + O2 ............ 4 Na2Oaccording to LAW of conservation of mass,mass of reactants = mass of product (s)therefore.91.96 + 32.00 = 123.96



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