How many grams of dry nh4cl need to be added to 240 l of a
How many grams of dry NH4Cl need to be added to 2.40 L of a 0.300 M solution of ammonia (NH3) to prepare a buffer solution that has a pH of 9.00? Kb for ammonia is 1.8e-5
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1 why must the crucible containing cac2o4 and concentrated hno3 be heated in a fume hood2 describe the method for
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a nylon rope used by mountaineers elongates 130m under the weight of a 655kg climber if the rope is 455m in length and
how many grams of dry nh4cl need to be added to 240 l of a 0300 m solution of ammonia nh3 to prepare a buffer solution
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