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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