Urine is held in the bladder before excretion. where is feces stored before excretion?
small intestine
stomach
urethra
rectum

Which of the following best describes the formation of plasma?

How many molecules are found in 1.32 mol of nacl?

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