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Suppose you have two solutions to titrate with NaOH: (a) 10mL of 0.1 M HCl and (b) 10 mL of 0.1 M CH3COOH. Would you expect either of the solutions to require different volumes of NaOH in order to reach an end point? Explain
If 0.487 grams of AgNO3 is dissolved in 20 ml of water, how many moles of silver ions will be present in each millimeter?
If a bottle of nail polish remover contains 175mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788g/ML.
A 325 mL sample of solution contains 25.3 grams of CaCl2. Calculate the molar concentration of Cl- in this solution.
Calculate the pH of a buffer solution obtained by dissolving 22.0 g of KH2PO4(s) and 36.0 g of Na2HPO4(s) in water and then diluting to 1.00 L.
how might you be able to build a buffer solution of a given molarity at any pH without doing a single Henderson- Hasselbalch calculation?
The acid forms two ions, HC2O4- and C2O42-, by the sequential loss of H+ ins. Draw lewis structures for the three species and comment on the relative lengths and strengths of their carbon-oxygen bonds.
Given that the enthalpy of formation is -277.7 kJ/mol for C2H5OH(l) and -393.5 kJ/mol for CO2(g), find the enthalpy of formation for C6H12O6.
Why is it particularly important to wash the cupric hydroxide intermediate in the synthesis of cupric acetate (verdigris)? Be specific about what is being removed and why it matters.
Determine what volume of 1.0 mol/L solution of Copper monosulfide can be made from 23.9 grams of Copper monosulfide?
Complete the mechanism for the base-catalyzed racemization of the chiral ketone below by adding any missing atoms
Consider the unbalanced equation above. A sample of impure mercury(II) oxide is heated and the HgO decomposed completely. If 580. mL of O2 is collected by displacement of water at a barometric pressure of 790.0 mm Hg and 25.0°C,
the lab was synthesizing acetyl ferrocene from acetic anhydride and ferrocene then doing column chromatography on it if you wanted to modify the experimental procedure to synthesize diacetylferrocene, what changes might you consider?
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