mass of beaker and Co(NO3)2x6H2O.....55.76g mass of beaker......................

ID: 978473 • Letter: M

Question

mass of beaker and Co(NO3)2x6H2O.....55.76g

mass of beaker.........................................51.4061g

mass of Co(NO3)2x6H2O using to prpare solution...4.3594g

moles of Co(NO3)X6H2O

Moles of Co(NO3)X6H2O stock stock solution

Absorption of cuvette 5

Wavelenth(nm)..........%T.........absorbance......

383.............................?................?.................

400.............................?................?.................

460.............................?................?..................

470.............................?................?..................

502.............................?................?..................

525.............................?................?.................

555.............................?.................?.................

590.............................?.................?.................

635.............................?.................?.................

660.............................?.................?.................

700.............................?.................?..................

moles of Co(NO3)X6H2O = mass of Co(NO3)X6H2O /molar mass of Co(NO3)X6H2O

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