A 2.75 L flask contains a mixture of nitrogen, hydrogen and ammonia. The total internal pressure within the flask is 210 kPa at -31°C. The partial pressure of the nitrogen is 48 kPa and the partial pressure of the ammonia is 112 kPa. Calculate the mass in g) of hydrogen that is in the tank.

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6

What are the two basic types of satellites