The molar mass of ba(oh)2 is
(1) 154.3 g (3) 171.3 g
(2) 155.3 g (4) 308.6 g

You 4. you have been swimming in your neighbor’s pool for an hour. the relative humidity of the air is 30 percent. will you feel warm or cool when you step out of the pool? explain your answer.

Which statement justifies that phosphine (ph3) is a polar molecule?

The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?