Which acid solution is more concentrated, A or B? Explain your response. A student conducts an experiment to study the reaction between calcium carbonate (CACO3) and hydrochloric acid (HCI). The equation for the reaction is shown below.CaCO3 + 2HCi → H,0 + CO2+ CaCl2The student measures the amount of time required for 1 g of calcium carbonate in twodifferent forms, powder and chunks, to react completely using two solutions of hydrochloricacid of unknown concentration in excess. The data from the experiment are shown below.Average Time of Reactionwith Acid Solution A (s)Average Time of Reactionwith Acid Solution B (s)Calcium Carbonate Formpowder45.267.1chunks132.1220.5

A more concentrated solution among solutions of same volume refers to the one that contains more…

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Which acid solution is more concentrated, A or B? Explain your response.

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter8: Chemical Reactions

Section: Chapter Questions

Problem 69E

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Question

Which acid solution is more concentrated, A or B? Explain your response.

A student conducts an experiment to study the reaction between calcium carbonate (
CACO3) and hydrochloric acid (HCI). The equation for the reaction is shown below.
CaCO3 + 2HCi → H,0 + CO2+ CaCl2
The student measures the amount of time required for 1 g of calcium carbonate in two
different forms, powder and chunks, to react completely using two solutions of hydrochloric
acid of unknown concentration in excess. The data from the experiment are shown below.
Average Time of Reaction
with Acid Solution A (s)
Average Time of Reaction
with Acid Solution B (s)
Calcium Carbonate Form
powder
45.2
67.1
chunks
132.1
220.5

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