25. Solving a chemistry problem

25. Solving a chemistry problem

15. Molybdenum occurs in nature primarily as the mineral molybdenite (molybdenum disulfide). This substance looks very similar to graphite and for a long time they were considered one and the same mineral. In 1778, Scheele succeeded in decomposing molybdenite by boiling it in concentrated nitric acid. Write the formulas for the four products of this reaction, taking into account that the elements of molybdenite are oxidized to the maximum to a soluble acid and an insoluble oxide, the other two products are also oxides, and one of them is a brown gas.

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