Magnesium oxide decomposes into magnesium and oxygen. if 16.12 g of magnesium oxide decomposes to form 9.72 g of magnesium, what
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PH measures the concentration of hydrogen ions on the log 10 scale. Thus, a pH 5 solution has 2 order of magnitude difference from that of pure water, which has a pH of 7.
Therefore,
. A solution of pH 5 has 100 times more hydrogen ions that that of pure water.
Therefore,