How many moles of water (H2O) are present in a beaker containing 45.9 g H2O? Give your answer to
the correct number of significant figures. (Molar mass of water = 18.02 g/mol)
45.9 g H20 =[ ]1 mol H2O

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

What is the main reason why some developing countries fear the increase the free trade policies around the world?

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury