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Discover Questions

Determine the pH of a solution that is 0.10 M CH3COOH and 0.25 M CH3COONa.? Evaluate
2sin^2(225)-tan(155)? Suppose a,b, and c form an arithmetic sequence. Prove that b^2+bc+c^2, c^2+ca+a^2, a^2+ab+b^2 also form an arithmetic sequence.? Why do individual stars have the "crass-hatch" effect in pictures while galaxy s do not? Upper and lower sum of y equals square root of 6x?