Convert a speed of 933 cm/s to units of inches per minute

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

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false