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When the hydronium ion concentration of a solution is increasedoing by a factor of 10, the ph value of the solution
answered
Nov 18, 2017
Chemistry
high-school
5
votes
45.4k
views
(1.8 * 10^2) * (5 * 10^2)
answered
Nov 15, 2017
Mathematics
high-school
5
votes
127k
views
The principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater is _______.
answered
Sep 10, 2017
Biology
high-school
1
vote
64.8k
views
A certain radioactive isotope has a half-life of 15 days. If one is to make a table showing the half-life decay of a sample of this isotope from 32 grams to 1 gram; list the time (in days, starting with
answered
Feb 11, 2017
Mathematics
high-school
2
votes
170k
views
What s the total cost of a $12.50 item plus 7% tax? Is the question how do you find the answer?
answered
Jun 13, 2016
Mathematics
middle-school
7
votes
46.4k
views
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