The concentration of the hydroxide ion given that the concentration of the hydronium ion 1.0 times 10^-14 M. The reverse mathematical method used to determine the pOH can be used to get the hydroxide ion concentration from the pOH. How many hydroxide ions are there in a solution with a pOH of 5.70, for instance.
Calculate 10-5.70, or "inverse" log, on a calculator (- 5.70). It indicates that one hydroxide ion is produced by one part of the NaOH solution. Because of this, the molar concentration of hydroxide ions in the solution is the same as the molar concentration of the NaOH.
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762 miles = 1226.32 kilometers
you multiply the miles by 1.609 to get the kilometers
Answer: 12.5 mg
Explanation:
The half-life of Iodine -123 is 13 hours.
Between 8 am on Monday and 10 am on Tuesday will be 26 hours.
After the first 13 hours, the Iodine should be left with half of its initial quantity
= 50/2
= 25 mg
There are now 13 hours remaining meaning that the Iodine will be half of the 25mg after that period.
= 25/2
= 12.5 mg.
12.5 mg remain at 10 am the next day.
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