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Unformatted text preview: (10 points)? 3. In the waste disposal portion of this procedure, why were you cautioned to add sodium thiosulfate crystals slowly to the waste products(2 points), and why did you have to make sure that the final waste product had a pH of between 5-8 (10 points)? 4. How much solid manganese sulfate monohydrate would you start with to make 100mL of a 0.2M solution? Show all calculations for full credit (10 points). 5. If your reaction did not work as predicted, explain what could have been the cause of the error (10 points)?...
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- Spring '08