81. Solving a chemistry problem
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81. Solving a chemistry problem
2. During the oxidation of a metal, 40 g of metal (II) oxide was formed and 5.6 l of oxygen (N.C.) were required. What is the mass of the metal? How many oxygen molecules are contained in 5.6 l of it at N.C. and How will this volume change when heated to 40C and the pressure is doubled?
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