9. You are asked to measure out 0.1960g of ferrous ammonium sulfate hexahydrate

Question

9. You are asked to measure out 0.1960g of ferrous ammonium sulfate hexahydrate to produce a 0.0050 M solution for the primary solution for a calibration curve, which will be diluted down as in question 7. What if you are unable to measure out 0.1960g but instead were only able to measure 0.1749g? What can you do so that you can use this solution, as is. There is no more material to start over and you do not have time to order any. You must dilute this to 100 ml. 10. When using a class A pipette that is calibrated TD, do you let the solution run out of the pipette until it stops on its own or do you blow out the pipette with your pipette bulb?

Explanation / Answer

9. You are asked to measure out 0.1960g of ferrous ammonium sulfate hexahydrate

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