Calculate the molarity of cobalt (II) in the unknown using the average k value i

Question

Calculate the molarity of cobalt (II) in the unknown using the average k value in the table. Show calculation below.

a)   Can someone please let me know if my calculated molarity is correct?

The previous data was placed into a chart. Based on the bset fit line for the plot, write the value of k and determine the molaity:

b) Is my K value correct?   0.1981

c) Is my molarity of cobalt correct?   0.0410

Unkmown Number ukmown umber.a Solution iAl) A (2) Average A 0.03472 | 0.124 |o.124 |0.194 |09 O 258 230.238 419 330|o.oS 95710.292 10.290|0.29 .89 .03A72 0.184 8o O Stock Io.c9929 0.480 | 0.483 o.u82 |4.g5 Averuge k value for Standard Solutions ,4 0.172 o.10 n Unknown ah e 6.035 33 Show the calculation below.A KC Molarity of cobalt(lI) in the Unknown solution:.03533

Explanation / Answer

Yes both answer are correct

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