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A 20.00 ml stock sample of HBr is diluted to 50 mL. If 18.76 ml of 0.1345 M KOH was required to reach the equivalence point, what is the concentration of the stock HBr solution? Is my answer correct? Titration problems can be solved with the MV=MV equatio...

complete the following questions. Express all answers in scientific notation. i) 24.67 – 9.42 + 0.2 ii) 6340 * 5348 / 2345 iii) 5.35 x 10-3 M x 69 mL

Evaluate the following limit lim x--> 2 Square root over x^2 - x/2x - 3

Evaluate the following limit: lim x --> negative infinity 9 square root over x^2-1 divided by x + 4

Which of the following is a representation of the domain of the expression: h(x) = 12x + 3 / 2 - square root over x a)[0,4) b) [(0,4) U ( 4, infinity) I know that the answer is b, but how do I come to this answer?

How about this answer? HBr + KOH > H2O + KBr We know the amount of potassium hydroxide in moles by simply calculating it based on the information given, with the formula: c= n/v ---> n = c*v After figuring out the number of moles of potassium hydroxide, w...