7. Calcium carbonate is added to an excess of hydrochloric acid. CaCo,(s) • 2HC(aq) CaCL(aq) + CO,(9) + H,O() (a) Deduce two observations that you would expect to see during this reaction. observation 1Theal.cium.caboasde daadvein he aud observation 2Jae Brisheffene&cence of a Colorless Co, is obseved (b) In this experiment, 0.040g CaCO, is added to 25 cm of 0.050 mol dm HCL (1) Explain what is meant by 0.050 mol dm- HCL D.0.5e.mol dn's Hcl thateosomol of 3. in (u) Calculate how many moles of CaCO, were used in this experiment. moles nass -Mass noles 0.040g 10og Imol 4x64 (ii) Calculate how many moles of HCl are required to react with this amount of CaCO, Ca Cos HC/ 8 X69 (Iv) Hence show that the HCl is in exaess.
7. Calcium carbonate is added to an excess of hydrochloric acid. CaCo,(s) • 2HC(aq) CaCL(aq) + CO,(9) + H,O() (a) Deduce two observations that you would expect to see during this reaction. observation 1Theal.cium.caboasde daadvein he aud observation 2Jae Brisheffene&cence of a Colorless Co, is obseved (b) In this experiment, 0.040g CaCO, is added to 25 cm of 0.050 mol dm HCL (1) Explain what is meant by 0.050 mol dm- HCL D.0.5e.mol dn's Hcl thateosomol of 3. in (u) Calculate how many moles of CaCO, were used in this experiment. moles nass -Mass noles 0.040g 10og Imol 4x64 (ii) Calculate how many moles of HCl are required to react with this amount of CaCO, Ca Cos HC/ 8 X69 (Iv) Hence show that the HCl is in exaess.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![7.
Calcium carbonate is added to an excess of hydrochloric acid.
CaCo,(s) + 2HC{(aq) CaCL(aq) + CO,(g) + H,O(1)
(a) Deduce two observations that you would expect to see during this reaction.
observation 1The..cal.cium.cabonadewill dsådve in he acid
heBriskeffevescenc. of .c.Colorless Coe
observation 2
is obseved
(b) In this experiment, 0.040g CaCO, is added to 25 cm of 0.050 mol dm-3 HCL
(1) Explain what is meant by 0.050 mol dm-3 HCL
(I) Calculate how many moles of CaCO, were used in this experiment.
moles gSS
-Mass
noles
0.040g
loog Imol
Foo.
4x64
(ii) Calculate how many moles of HCl are required to react with this amount of CaCO,
Ca Cos
HCI
-4
8 X164
(Iv) Hence show that the HCl is in excess.
AC 1.1]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec32660f-adcb-471d-81e1-1df99c2b1e69%2F25c424c1-cba0-47c8-a369-4bfda46512ef%2F1q9h2pk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:7.
Calcium carbonate is added to an excess of hydrochloric acid.
CaCo,(s) + 2HC{(aq) CaCL(aq) + CO,(g) + H,O(1)
(a) Deduce two observations that you would expect to see during this reaction.
observation 1The..cal.cium.cabonadewill dsådve in he acid
heBriskeffevescenc. of .c.Colorless Coe
observation 2
is obseved
(b) In this experiment, 0.040g CaCO, is added to 25 cm of 0.050 mol dm-3 HCL
(1) Explain what is meant by 0.050 mol dm-3 HCL
(I) Calculate how many moles of CaCO, were used in this experiment.
moles gSS
-Mass
noles
0.040g
loog Imol
Foo.
4x64
(ii) Calculate how many moles of HCl are required to react with this amount of CaCO,
Ca Cos
HCI
-4
8 X164
(Iv) Hence show that the HCl is in excess.
AC 1.1]
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