A student performed an experiment to determine the ratio of H¿O to CUSU, in a SAmple sam hydrated copper (II) sulfate by heating it to drive off the water and weighing the solid before and after heating. The formula obtained experimentally was CuSO:4.5 H20 but the true formula is CUSO4.5 H;O.Which error best accounts for the difference in results? L The student weighed out too much sample initially. II. The hydrated sample was not heated long enough to drive off all the water. III. During heating some of the hydrated copper (II) sulfate was lost IV. The student used a balance that gave weights that were consistently too high by 0.10g.

A student performed an experiment to determine the ratio of H¿O to CUSU, in a SAmple sam hydrated copper (II) sulfate by heating it to drive off the water and weighing the solid before and after heating. The formula obtained experimentally was CuSO:4.5 H20 but the true formula is CUSO4.5 H;O.Which error best accounts for the difference in results? L The student weighed out too much sample initially. II. The hydrated sample was not heated long enough to drive off all the water. III. During heating some of the hydrated copper (II) sulfate was lost IV. The student used a balance that gave weights that were consistently too high by 0.10g.

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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Calculate the % by mass of 162g H2SO4 (sulfuric acid) in a beaker that is mixed with 322g of water. The beaker weighs 112g.
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Calculate percent yield
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