A mass of 21.5 grams of calcium hydroxide, Ca(OH)2 , reacts with an excess of phosphoric acid. 3 Ca(OH)2 + 2 H3PO4 --> Ca3(PO4)2 + 6 H2O How many moles of water would be produced? (MM of Ca(OH)2 is 74.1 g/mol)

How do you lengthen a pattern piece? (family and consumer science, sewing)

Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table

(04.01 lc) which of the following is true about science? (5 points) select one: a. it is not influenced by social conditions. b. it is not determined by external local factors. c. political conditions are unable to influence it. d. economic concerns may prevent it from solving problems.