Chemistry, 13.07.2019 22:10 jennamae9826
The cations on an exchangeable sites of a 30 g soil were displaced by repeatedly washing by a salt and found to be 20 mg ca+2, 1.0 mg na+1, 39 mg k+1, 12 mg mg+2, and 18 mg al+3. the ph of the soil was 5.0. calculate the cec (cmolc/kg), percentage base saturation (pbs) and percent acidic saturation (pac) per kg of the soil.
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Chemistry, 22.06.2019 06:30
What effect might melting sea ice have for people who live in coastal areas?
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Chemistry, 23.06.2019 02:30
When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule
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Chemistry, 23.06.2019 06:00
Nthis lab, you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments
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The cations on an exchangeable sites of a 30 g soil were displaced by repeatedly washing by a salt a...
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