If 4.87 g of green NiCl2.6H2O is dissolved in 2 mL of water. 5.05 g of white Na2C2O4(s) is dissolved in 50 mL of water. The two solutions are mixed together and stirred for 1 hour and the resulting NiC2O4.2H2O is filtered. Then the NiC2O4.2H2O is heated in an oven to result in 0.84 g of Ni(s). Calculate the percent yield of Ni.

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Following are the  advantages of the parametric equations: 1) they can be used to graph curves that are not functions, like the unit circle.2) the parameter can be used to represent the quantity that is  useful to  provide us with better information about the graph.3)  it is useful to convert between rectangular equations and parametric equations.with specific reference to chemistry,  parametric equations are employ for solving hydrogen and hydrogen-like ions, quantum mechanically. herein, cartesian coordinates are converted in spherical polar coordinates. the solution obtained, when plotted on spherical polar graph paper, provides visualization of atomic orbital such as s,p,d and f.