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25.0mL of a 0.100M solution of NH3 is titrated with 0.150M HCl. After 10.0mL of the HCl has been added, the resultant solution is:
a) basic and before the equivalence point
b) basic and after the equibalence point
c) acidic and before the equivalence point
d) acidic and after the equibalence point
e) neutral and at the equivalence point
what would be the atmospheric pressure of MTBE in Pa If this sample were at equilibrium with atmospheric MTBE? KH = 1.7 M/atm.
The formula weight of compound X is 14,200 g/mol How many total mg of X are there in the panda pancreas?
normal glucose levels in the blood are from 70 to 10 mg glucose per 100 mL of blood. If the level falls too low, there can be brain damage.
which pair of compound form a hemiacetal.
Calculate a new concentration of buffer with the pH of 4.91 for 3.907mL of 1.0 M acetic Acid and 6.093mL of 1.0 M Sodium acetate and 90mL water with an addition of 2.90mL of 1.00 M NaOH is added.
where all compounds are assumed as covalent then determine which reaction must be endothermic and also explain your answer briefly?
Calculate the mass of HONH2 required to dissolve in enough water to make 250.0 ml of solution having a pHof 10.00 (Kb=1.1*10 (-8).
What is the vapor pressure of a solution that contains .944 moles Ba(NO3)2 and 30 moles of H2O? The vapor pressure of pure water at the same temperature as the solution is 46 torr
Aluminum reacts with excess hydrochloric acid to form aqueous aluminum chloride and 36.8 mL of hydrogen gas over water at 27°C and 764 mmHg. How many grams of aluminum reacted?
How many minutes would be required to electroplate 25.0 g of manganese by passing a constant current of 4.8 A through a solution containing MnO4 -
the heat formation of Al2O3(s) is delta H final is -1669 kj/mol. calculate the heat evolved when 0.267 g of Al burns in oxygen
Balance the following reaction: Manganese(V) sulfate reacts with chromium(III) sulfate and water to give manganese(II) sulfate, chromium(VI) oxide
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