10 Question (3 points) Watch the Chem Tour animation below on acid-base titrations. Then, answer the questions about the

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10 Question 3 Points Watch The Chem Tour Animation Below On Acid Base Titrations Then Answer The Questions About The 1 (83.01 KiB) Viewed 52 times

10 Question (3 points) Watch the Chem Tour animation below on acid-base titrations. Then, answer the questions about the following reaction: > Ca(OH)₂(aq) + 2HCl(aq) →→→ CaCl₂(aq) +H₂O(1) This is a Mixed question / It is worth 3 points/You have unlimited attempts/There is no attempt penalty An aqueous solution of Ca(OH)₂with a concentration of 0.194 Mwas used to titrate 25.00 mL of aqueous HCI. 15.03 mL of the Ca(OH)₂was required to reach the endpoint of the titration. 2nd attempt ACID-BASE TITRATIONS Introduction A titration is the sequential addition of reactant to a solution containing other reactants. In an acid-base titration, a basic solution of known concentration is added to an acidic solution of unknown concentration, or vice versa. The basic solution is added until the complete neutralization of the acid takes place. In this manner, the volume of the basic solution added will be used to determine the unknown concentration of the acid. Part 1 (1 point) x Feedback How many moles of base were required to react completely with the acid in this reaction? 0.00378 mol Ca(OH)₂ Part 2 (1 point) x Feedback Part 3 (1 point) K 1st attempt How many moles of HCI were present in the original 25.00 mL of acid? 0.00755 mol HCI 1.46x104 M 0.146 M What is the molarity of the original HCI solution? ✔ Choose one: 0.234 M Ⓒ 0.0584 M 00.389 M Section 1 of 18 Feedback 13.4 See page 355 P did See Periodic Table