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A. How many milliliters of a 0.72 MHCl solution do you need to obtain 0.0032 mol of HCl?
B. A flask containing 470 mL of 0.50 M H2SO4 was accidentally knocked to the floor.
How many grams of NaHCO3 do you need to put on the spill to neutralize the acid according to the following equation?
H2SO4(aq)+2NaHCO3(aq)---->Na2SO4(aq)+2H2O(l)+2CO2(g)
A 0.3500 g sample of brass is analyzed by the procedure in the above exercise. The Beer's Law constant for the copper ammonia complex is determined to be 7.50 x 10^-1 mL/mg.
If 25 mL of 0.1 M HNO3 is added to a 0.01 L buffer solution that is 0.26 M HCNO and 0.13 NaCNO, what is the pH of the final solution? Ka for HCNO = 3.5x10^-4
When 5.89 grams of an CCl4, a nonvolitile, noneelectrolyte is added to a 250 grams of unknown solvent the freezing is depressed by 0.75 degrees Celcius
Calculate the volume of 6.00 M NaOH that can be added to a buffer composed of 0.160 mol CH3CHOHCO2H and 0.179 mol CH3CHOHCO2- in 500 mL water before the buffer capacity is exceeded.
a solution containing 0.555 g of an organic solid in 22.0 ml of distilled water shows a freezing point depression of
What compounds is used to to change single bonded octane into double bounded high octane
Calculate the volume of air that a person exhales in an 16-hour period. Assume that each breath has a volume of about 1 L and the person exhales 15 times a minute
how many grams of khp are needed to exactly neutralize 27.4 ml of a 0.235 m potassium hydroxide
Provide a structure for the following compound: molecular mass 101; IR: 3397, 3200, 1655, 1622 cm-1; 13C NMR: ? 27.5, ? 38.0 (weak), ? 180.5 (weak).
oxygen are required to react with 5.62 mol nitrogen to produce dinitrogen trioxide?
Consider the standard cell at 25C based on the following half-reactions. Pb^2+ + 2e^- --> Pb E=-0.13V Zn^2+ + 2e^- --> Zn E=-0.76V To the standard cell, OH-, is added to the zinc compartment causing precipitation of Zn(OH)2. After precipitation is..
To prevent tank rupture during deep-space travel, an engineering team is studying the effect of temperature on gases confined to small volumes. What is the pressure of 3.20mol of gas measured at 251 degrees Celcius in a 1.75-L container assuming r..
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