1. A 0.512 g sample of CaCO, is dissolved in 12 M HCl and the mixture is diluted to 250 mL. a) How many moles of CaCO, are used? moles b) What is the [Ca²*] in the 250 mL solution? b) How many moles of Ca" are in a 25 mL sample of the 250 mL solution? moles
1. A 0.512 g sample of CaCO, is dissolved in 12 M HCl and the mixture is diluted to 250 mL. a) How many moles of CaCO, are used? moles b) What is the [Ca²*] in the 250 mL solution? b) How many moles of Ca" are in a 25 mL sample of the 250 mL solution? moles
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter11: Solutions
Section: Chapter Questions
Problem 10P
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Prelaboratory Assignment: Determination of the Hardness of Water
1. A 0.512 g sample of CaCO, is dissolved in 12 M HCl and the mixture is diluted to 250 mL.
a) How many moles of CaCO, are used?
moles
b) What is the [Ca²*] in the 250 mL solution?
b) How many moles of Ca²* are in a 25 mL sample
of the 250 mL solution?
moles](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F199b001a-dbef-4b55-9607-aa64fac1f295%2Faf54c373-2ded-412a-a23c-6990eb02182d%2Finmnlee_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Name:
Date:
Section:
Prelaboratory Assignment: Determination of the Hardness of Water
1. A 0.512 g sample of CaCO, is dissolved in 12 M HCl and the mixture is diluted to 250 mL.
a) How many moles of CaCO, are used?
moles
b) What is the [Ca²*] in the 250 mL solution?
b) How many moles of Ca²* are in a 25 mL sample
of the 250 mL solution?
moles
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