Question

What is the difference in the chemical reactions in ﻿﻿ and the dibasic base of the solution? Please explain how hydrochloric acid to calcium hydroxide was used and its outcome. Additional information is in the links below.

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Tn this case we have concentration of base half than that of concentration of acid so we need double the volume of base to neutralize acid completely , and that volume of base we can calculate from the titration formula . ————— ens it is 1 : 1 acid base titration ,means we need equal volume of acid and base to completely react and neutralized each other . So as we have half concentration of base than that of acid so we will use double the amountfvolume of base to neutralize acid completely , and that volume W11 of base we can calculate from titration formula EASE :ACID . . M m m: M Mg m Prevuouse Information Vv1=tMv2 szlval So all solutions will follow the above titration fom'lula

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By now you should be very conﬁdent in your explanation to provide aocurate predictions for many different titrations. Now, we're going to try a test using a different chemical reaction: adding hydrochloric acid to calcium hydroxide. Calcium Hydroxide. CG(OH)2 . is called a dlbaslo base. It has two hydroxide ions for every molecule, so it can accept two hydrogen ions per molecule. Previouse informati0n 1. Start bywriting out the balanced chemical equation for this reaction. BIU éEEE E %El.fx CaIOHl2 + 2HCI mun-m3 CaC|2 + 2H2O Smre: Biz 2. In the next section, you'll see a titration where 0.050 M HOE is added to a ﬂask initially containing 40.0 ml of 0.01B9M Co(0H)2. Use the explanation you developed in the previous sections to predict the amount of Hal. that will need to be added to neutralize this solution. Hint: You ma y need to modify your explanation for what causes the solution to be neutralized to account for the fact that calcium hydroxide has two OH _ ions in each molecule. 30.24ml of HCI is required.

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Here's the video showing a flask initially containing 40.0 mL of basic solution of 0.0189M Ca(OH )2 . The buret contains 0.050 M HCI. 28 29 3 32 pivot interactives

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ACID IN BURETTE BASE IN FLASK HCI Calcium Hydroxide Change 1. Observe the results of the reaction. Did the prediction match the outcome of the reaction? Describe below. BIV BEEE Score: 0/2 2. Write the final explanation you can use to determine how much of a substance needs to be added to neutralize a solution. BIV BEEE

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