For the reaction 2 NaOH + H 2 SO 4 ⟶ Na 2 SO 4 + 2 H 2 O how many grams of sulfuric acid, H2SO4, are needed to react completely with 40.3 g of sodium hydroxide, NaOH?

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

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

List the path of the respiratory system