A 0.0700 L volume of 0.134 M nitric acid (HNO3), a strong acid, is titrated with 0.268 M potassium hydroxide (KOH), a strong base. Determine the pH at the following points in the titration. (a) before any KOH has been added 0.873 (b) after 0.0175 L KOH has been added (c) after 0.0350 L KOH has been added (d) after 0.0525 L KOH has been added Indicate which point is the equivalence point. O a O b

Apply the significant figure rule to the final answer.  Example attached and dig figures rules

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Question D, E, F

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Draw the structure of a molecule whose formula is C3H40 that contains an alkyne and ether. 2nd attempt i See Periodic Table O See 120 Select a tool to begin drawing • SUBMIT A 4 VIEW SOLUTION 17 OF 25 QUESTIONS COMPLETED

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Help 100% 2 Tue 4: Public Health Ch x * HSC 258 - Major Projec X * Mind Tap - Cengage Lea X C The Illustration To The d=55750828934189288909969212&EISBN=9781305657571&id=1061392007&nbld%3D21... * O TO Q Search this co References Use the References to access important values if needed for this question. For the following reaction, 6.43 grams of sulfur dioxide are mixed with excess oxygen gas . The reaction yields 6.30 grams of sulfur trioxide . sulfur dioxide(g) + oxygen(g) sulfur trioxide(g) grams What is the ideal yield of sulfur trioxide? What is the percent yield for this reaction? Submit Answer

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