Determine the percentage of na3po4in the original sample
Determine the percentage of Na3PO4in the original sample when 2.488g of an impure sample of Na3PO4 are dissolved in the water, and the PO43- ions are precipitated as the Ca3(PO4)2, which is dried, filtered, and found to weigh the 1.796 g.
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Describe the phase changes that occur when perfluorohexane is added to a fixed amount of hexane at (a) 23°C, (b) 22°C. Perfluorohexane and hexane show the partial miscibility below 22.70°C.
We wish to find out the sample size necessary to determine the mean IQ score of statistics students.
Determine the normal approximation for binomial probability that x = 5, where n = 14 and p = 0.5. Compare this probability to the value of P(x=5) found in Table 2 of Appendix B in your textbook.
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Compute µ the expected number of repeat offenders out of five. Compare?, the standard deviation of the number of repeat offenders out of five
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