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PHYSICOCHEMICAL TEST FOR SOLIDWASTE ÀÚ·áÀÔ´Ï´Ù
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PHYSICOCHEMICAL TEST FOR SOLID WASTE¿¡ °üÇÑ ÁÖÁ¦·Î ÀÛ¼ºÇÑ ·¹Æ÷Æ® ¿¹¹®ÀÔ´Ï´Ù.
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physicochemical test for solid
waste
¥¡.concentration of hydrogen-(
h¡á)
1.title : concentration of hy
drogen-(h¡á)
2.principle
the concentration of h ion in
solution is a pretty small number that can, nonetheless,
vary over a considerable rang
e.
to conveniently represent the
magnitude and range of concentration that the h ion can have in aqueous solutions, the term ph is used
ph is defined as the negative
logarithm (base 10) of the h ion concentration
ph-log [h]
-ph log[h]
10-ph [h]
1.what is the ph of a neutral
solution at 25 ?
under this condition, the con
centration of hydrogen ion is 1.0 x xxx-xxxm
ph-log(1.0 x xxx-xxx)-(-7.0)
7.0
2.what is the ph of an acidic
solution?
an acidic solution is one whe
re we have an increase in [h]
if a neutral solution has a [
h] of 1 x xxx-xxxm, then an acidic solution must have a [h] that is greater than 1 x xxx-xxxm (ÀÌÇÏ »ý·«)
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