All organic molecules have what elements in common? a) carbon b) nitrogen c) phosphorus d) sulfur

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

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

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball