Evaluate Ideas Review the philosophical ideas you summarized as you read. Choose two ideas—Thoreau’s view of the poor, for example, or the way he
feels about civilized life. Explain whether or not you think the ideas you
chose have merit, citing reasons for your opinions.

Refute it, showing why it is mistaken—an apparent but not real problem; acknowledge its validity or plausibility, but suggest why on balance it's relatively less important or less likely than what you propose, and thus doesn't overturn it; concede its force and complicate your idea accordingly—restate your thesis in a more exact, qualified, or nuanced way that takes account of the objection, or start a new section in which you consider your topic in light of it. this will work if the counterargument concerns only an aspect of your argument; if it undermines your whole case, you need a new thesis.

This is the formula ph + poh = 14 11.8 + poh = 14poh = 2.6then to find concentration, the formula ispoh = -log[oh^-]2.6 = -log[oh^-][oh^-] = 2.5119×10^3 m