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Compute the volume of 0.20 M NaOH required bringing the pH of 20mL of 5% acetic acid to 4.74, the pKa of acetic acid
calculate for the combustion of octane by using enthalpies of
What is the resulting pH when .005 moles of KOH is added to .1 L of buffer solution that is .100 M in H2PO4- and .100 m HPO4^2- and the Ka2 = 6.2x10^-8
NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a pH = 9.80 solution.
How does SEC distinguish between large and small molecular weights? Be specific here. Also why is SEC ideally suited for polymer analysis
what is the pH of a solution obtained by adding 3.50g of HBr to 435mL of a 0.639M solution of HNO3?
What is the reaction order with respect to each reagent for the following reaction. Then write the rate law equation.
determine the limiting excess reagent amp percent yield of the reaction.aspirin acetylsalicylic acid c9h8o4 can be made
what is the purpose of anhydrous CaCl2? why is it important yhat none of the solid CaCl2 be included in the final distillation of 1- bromobutne.
Write the structures of all the alkenes that can be formed by dehydrohalogenation of each of the following alkyl halides.
The value of deltaH for the reaction CH3OH (l)---->CO (g) +2H2 (g) is +128.1 kJ? How many kJ of heat are consumed when 5.10 g of co (g) is formed as shown in the equation
Balance the following redox reaction as it occurs in the basic solution. What are the coefficients for OH^- an ClO^- in the balanced equation? Cr(OH)4^- (aq) _ ClO^- (aq) arrow CrO4^2- (aq) + Cl^- (aq)
1.45 g sample of an iron ore is dissolved in acid and the iron obtained is fe2 aq. to titrate the solution 21.6 ml of
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