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A student has been asked to titrate an HCl solution with a concentration of 0.35 M against an unknown concentration of NaOH solution. He found that he used 24.35 ml of HCl in order to neutralize 36.44ml of NaOH. You are now given this information in order answer the following three questions3,4 and 5: 3- The data above refers to a titration of NaOH with a known concentration of HCl. Calculate the moles of HCl at the end point. a) 8.5 moles HCl b) 0.14 moles HCl c) 0.0096 moles HCl d) 0.0085 moles HCl e) None of the above are correct. 4- Calculate the moles of NaOH present at the end point of the titration. a) 12.8 moles NaOH b) 0.013 moles NaOH c) 0.0096 moles NaOH d) 0.0085 moles NaOH e) None of the above are correct. 5- Calculate the molarity of NaOH. a) 0.23 M NaOH b) 0.35 M NaOH c) 0.53 M NaOH d) 1.9 M NaOH e) None of the above
1what happens when chlorosulfonic acid comes in contact with water?2how will you safely destroy any residual of
solution of water (Kf = 1.86^ C/m) and glucose freezes at - 2.55^ C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 ^ C.
A salt water mixture is 33.0% (w/w) walt. (The w/w refers to weight / weight or mass / mass). If there are 300.0 g salt in the mixture, what is the total weight of the mixture?
h3po4 undergoes three ionization equilibria for each ionization pkasnbsp 2.12 7.21 and 12.3nbsp respectively. a
calculate the N12+ concentration of a solution made by mixing .020 mols of Ni(NO3)2 into 1.0 L .22 M NH3
Explain the effect of the following experimental errors on your results: a) You add hexane to the reaction flask instead of 1-hexene b) You use 3% hydrogen peroxide instead of 30% c) You forget to add potassium carbonate in the seperation step.
if you had 21 moles of oxygen and 8 moles of ethane, what is the most moles of carbon dioxide possible?
Qualitative Approach: How is the solubility of CaF2 in water different from its solubility in Ca(NO3)2? Is CAF2 more or less soluble in water than Ca(NO3)2?
Suppose scheme one involves the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Grignard reagent containing less carbon atoms with th..
acetaminophen the generic name for tylenoltm consists of carbon hydrogen nitrogen and oxygen atoms. a student in an
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.041 moles of sulfuric acid is mixed with water to make 169 mililiter of solution, what is the molarity of H+? Answer in units of M.
Calculate the volume of air at 26 degrees Celsius and 0.92 atmosphere that is needed to burn completely 11.47 grams of pentane.
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