- Express the titer of a 0.0500 M KMnO4 solution in mg Fe2O3/ml?

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A relay has a coil resistance of 100 Ω and its coil is rated at 0.2 A What is the voltage rating of this relay? The x-intercepts of a parabola are sometimes called what? What is the sum of -18 + 13? A periodic wave has a frequency of 7.4 Hz. What is the wave period? If you are dealt 44 cards from a shuffled deck of 52 cards, find the probability of getting two queens and two kings?