Please can you complete answer for b an c (b) A student carries out an experiment to determine the amount of water of crystallisation in(a) A hydrated salt, compound A, is analysed and has the following percentage composition byCalculate the formula of compound A, showing clearty the water of crystallisation.Cr, 19.51%; CI, 39.96%; H, 4,51%: O. 36.02%.7.22This question is about several saltsmass:0375-1Show your working.moles-0.37519.51ら239,3635.45-1.13u47-1201375ブDリつニ2.25.-6a37536.02 =2125formula of compound A =the formula of another hydrated sait. The student intendshydrated salt.remove the water by heating theA dlagram of the apparatus used by the student is shown below.cruciblepipeclay triangleThe student adds the hydrated salt to the crucible and weighs the crucible and contents.The student heats the crucible and contents and allows them to cl.The student weighs the crucible and residue.The student's results are shown below.Mass of crucible + hydrated salt/g16.84Mass of crucible + residue after heating/g16.26 12.(b) A student knew that calcium hydroxide could be made by adding calcium to water.The student added 0.00131 mol of calcium to a beaker containing about 100 cm of water.A reaction took place as shown by the equation below.All the calcium hydroxide formed was soluble.Ca(s) + 2H,0(1) → Ca(OH),(aq) + H29)(1) Calculate the mass of calcium that the student added.mass of calcium =(11) Calculate the volume of hydrogen gas, in dm3, produced in this reaction at roomtemperature and pressure, RTP.volume of hydrogen gas =eup(iii) The student transferred the contents of the beaker to a 250 cm3 volumetric flask andwater was added to make the solution up to 250 cm°.Calculate the concentration, in mol dm, of hydroxide ions in the 250 cm solution.Concentration(c) The student repeated the experiment using the same mass of pure barium.The student found that a smaller volume of hydrogen gas was produced, measured at RTP.(i) Explain why.(1f) Suggest one other difference the student would observe between the reactions of waterwith calcium and of water with barium.

11. (b)- 1. answe- 2×0.0050.58×100=1.72% guidance-allow 2% or 1.7%up to…

Answered: Please can you complete answer for b an

Please can you complete answer for b an

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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