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A 50.0-mL solution of the acid H3A (Ka1 = 1.0 *10-6 , Ka2 = 1.0 *10-9, and Ka3 = 1.0 *10-12.) is titrated with 0.050 M KOH. The second equivalence point is reached at 25.0 mL of base. Calculate the original concentration of H3A and the volume of 0.050 M KOH needed to reach a pH of 6.70.
Commercial Logging
The harvesting of timber for sale or large-scale removal of trees from forests for the purpose of producing goods such as paper, lumber, and other wood products.
Developing Countries
Nations with a lower level of industrialization, lower living standards, and generally a lower Human Development Index (HDI) compared to developed countries.
Subsistence Farmers
Farmers who primarily grow food and rear animals for their own family's consumption, with little to no surplus for trade.
Sustainable
Relating to practices and methods that meet current needs without compromising the ability of future generations to meet theirs, often in the context of environmental conservation.
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