Magnesium nitrate, Mg(NO3)2, will decompose when heated to give a white solid and a mixture of gases. One of the gases released is an oxide of nitrogen, X. 7.4 g of anhydrous magnesium nitrate is heated until no further reaction takes place. What mass of X is produced? a 1.5 g b. 2.3 g c. 3.0 g d. 4.6 g
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In the above problem, X refers to nitrogen dioxide gas, NO2. The mass of the NO2 gas after decomposition of magnesium nitrate was seen to be 4.6 g. Magnesium nitrate decomposes to magnesium oxide, and releases oxygen and nitrogen dioxide.
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