Chemistry, 07.03.2020 02:41 evere11605
How many grams of dry NH4Cl need to be added to 2.00 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.63? Kb for ammonia is 1.8×10−5.
Answers: 1
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What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol
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Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions
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C=59(f−32)the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true? a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of 59 degree celsius.a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.a temperature increase of 59 degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.a) i onlyb) ii onlyc) iii onlyd) i and ii only
Answers: 1
How many grams of dry NH4Cl need to be added to 2.00 L of a 0.800 M solution of ammonia, NH3, to pre...
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