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Home Question Bank Chemistry Archive 2024 November 14

Chemistry Questions from Nov 14,2024

Browse the Chemistry Q&A Archive for Nov 14,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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A 28.95 mL sample of HCl of unknown concentration is transferred to a flask, where a few drops of indicator solution are added. The solution is titrated with 1.9 M NaOH . After 11.5 mL are added, the indicator turns pink, showing that the equivalence point has been reached. Calculate the molarity of the acid. Question 8 What is the pH of a solution with ? Add your answer Buttermilk is the example of homogeneous or heterogeneous mixture? Write the balanced chemical equation for the reaction of khp with naoh. What is the concentration of ions in a solution with a pH of 12.84 ? Enter your answer in scientific notation to be recognized by autograding. For example: should be entered as " " in Blackboard. Add your answer Calcular el calor de reacción entre el ácido sulfúrico con hidróxido de sodio e hidróxido de amonio, y del ácido nítrico con hidróxido de amonio e hidróxido de sodio. Tenga en cuenta que entra un flujo de 10L/min del ácido a una concentración de 1,5M Consider the following reaction: Which pair of substances represents a conjugate acid-base pair? Select all that apply. (A) and CN - (B) and HCN (D) and NH 3 and HCN 45. [Application] Acid rain. One study found that the average pH value of rainfall in Utah was about 5.8 and in Pennsylvania it was about 4.4. How much more acidic was the rainfall in Pennsylvania than the rainfall in Utah? What is the formula for the conjugate base of HI ? (A) (B) (C) (D) 10 - Which equation properly depicts the reaction between and water? (A) (B) (C) (I) (D) (l)
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