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State a beaker contains 100. mL of 0.0640 M H2SO4. Define what volume of 0.0470 M KOH solution is needed to exactly neutralize the acid?
What is the equivalent weight of (MnO4). How many equivalents of electrons were delivered to the unknown soln
Determine types of hybridized orbital for each carbon in these compounds.
A solution is .855% HNO3 by mass. Density of the solution is 1.01 g/mL. Find [H+], [OH-], and pH.
Calculate the concentration of I- in a solution obtained by shaking 0.20M KI with an excess of AgCl. the answer is not 9.23*10^-9
How would a calculated specific heat be affected if there is less water in the calorimeter that the value used in a calculation. Would it be higher, lower or unaffected
A gas occupies a volume of 75 ml when the pressure is 380 mmHg. What volume does the gas occupy at 1140 mmHg
Calculate the pH when 2.00 mL of 0.0275 M NaOH are added to 50.0 mL of buffer solution.
If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter without the water was 1.75 kJ/degrees Celsius, calculate the molar heat of the combustion of methanol
Carbon sequestration technologies are being actively explored by researchers as methods to remove CO2 from the atmosphere, thereby diminishing the greenhouse effect.
An environmental chemist obtained a 200 mL sample of lake water believed to be cntaminated with a single monoprotic strong acid.
the radioactive isotope 247 bk undergoes a series of alpha-particleand beta particle productons taking bk-247 through
Find the pH and fraction of dissociation of a 0.100 M solution of the weak acid HA with Ka= 1.00 x 10-5.
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