For questions 1 - 5, use the following information to answer the questions: Potassium nitrate, KNO3, also known as salt peter or Chinese salt, has been used for approximately 700 years for the manufacture of gun powder and explosives. A solution of KNO3 is prepared by dissolving 60.0 g KNO3 in 100.0 g H2O. The density of the resulting solution is 1.38 g/mL. Calculate the mass % of KNO3 in the solution.

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

1.aluminum chloride (alcl3), and sodium hydroxide (naoh) can react to form aluminum hydroxide (al(oh)3) and sodium chloride (nacl).    you have 13.4 g of aluminum chloride and 10.0 g of sodium hydroxide. answer the following questions: •what is the balanced equation for this reaction? •if you use all 13.4 g of aluminum chloride, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •if you use all 10.0 g of sodium hydroxide, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •how many grams of aluminum hydroxide will actually be made?     which reagent is limiting? explain your answer.

Geothermal energy for industrial use is available almost anywhere. a.true b.false