One Bad Apple

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gchalick
Posts: 1
Joined: Sun Oct 26, 2014 7:35 pm
Occupation: Parent of student
Project Question: My son is trying to do your experiment titled, "One Bad Apple Spoils the Whole Bunch. In the materials, it says to get potassium iodide 2% and 2% iodine solution. In the procedure, it only says to mix the 2% iodine with water to make a stain. What do you use the 2% potassium iodide for?
Project Due Date: Dec. 1, 2014
Project Status: I am just starting

One Bad Apple

Post by gchalick »

I am helping my son with a science buddies experiment entitled, "One Bad Apple". In the materials, it requires a 2% iodine solution and a 2% potassium iodide solution. In the procedure, it just says to mix 120 ml of the iodine solution with 425 ml water. What do you do with the potassium iodide?
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sunmoonstars
Expert
Posts: 424
Joined: Fri Dec 12, 2008 3:47 pm
Occupation: Platform Manager - Biologics
Project Question: n/a
Project Due Date: n/a
Project Status: Not applicable

Re: One Bad Apple

Post by sunmoonstars »

Hi, I am not sure the answer... i suspect only one solution is needed and you could use either but since I am not SURE, I asked in the Expert forum for the author to check the protocol and reply to us here.

Sorry about that delay...
Tonya
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