Ksp 1.wmv
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Uploader Comments (EnderlePhD)
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so many thanks. very help ful. i had forgot the ppm :D
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should be 2 F , 2x19= 38 @ 7:00
drrichand1 2 weeks ago
@drrichand1 Actually, I think it's fine. It's just a change of units from molarity of F- to ppm.
EnderlePhD 1 week ago