What is the oxidation number of chlorine? cl6

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?