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If a buffer solution is 0.230 M in a weak acid (Ka = 3.8 × 10-5) and 0.410 M in its conjugate base, what is the pH?
Draw the stereochemical (3-D) structures of these compounds and explain these observations.
how many grams of benzene are needed in 46.3 grams NaBr (103 g/ mol)? the freezing point of solution to 3.94 degree C?
The valence bond point of view refers to the resonance structures while the MOs refer to the resonance hybrid.
they condense and then revaporize. During which of these steps is the concentration of the more volatile compound of the mixture increased?
Classify each description of a complex by the number of unpaired electrons in the d4 metal ion.
what is the lowest concentration that can be measured with your spectrophotometer? For compound Y, which absorbs much more light at the same wavelength (a molar absorptivity of 30,000), what is the lowest concentration that can be measured?
At equilibrium the concentration of CO (g) was found to be 0.046 M. Calculate the equilibrium constant for the reaction equation at 527 degrees celcius.
why is it important to have gas laws relating to this hypothetical situation?
A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature?
Calculate how many moles of sodium phosphate are needed to react completely with 4.6 mol of calcium nitrate( Ca(NO 3 ) 2 ) to form sodium nitrate (NaNO 3 ) and calcium phosphate?
HCl by mass and has a density of 1.20g/ml .How much concentrated solution would you take to prepare 2.75L of 0.430 M HCl by mixing with water?
The solution was then titrated to a blue-black endpoint with 26.0mL of a 0.0163 M KIO3 solution. How many mg of Vitamin C were in the tablet ?? and what % of the powder was Vitamin C?? Please solve this out for me
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