What is the percent iron sulfate in the solid sample
A 1.885g solid sample containing some FESO4 is dissolved in water. The resulting solution is acidified and titrated to the endpoint with 20.48 mL of 0.02540 M K2Cr2O7. What is the percent iron(II) sulfate in the solid sample?
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Identify the element of lowest atomic number whose electron configuration contains four completely filled sublevels.
Chee purchases Tan, Inc. bonds for $108,000 on January 2, 2011. The face value of the bonds is $100,000, the maturity date is December 31, 2015, and the annual interest rate is 6%.
Didde Co. had 300,000 shares of common stock issued and outstanding at December 31, 2010. No common stock was issued during 2011. On January 1, 2011, Didde issued 200,000 shares of nonconvertible preferred stock.
Federated COmpany has two service departments (S1 and S2) and two producing departments (A and B). Department S1 serves Departments S2, A and B in the following percentages, respectively: 10%, 35% and 55%.
An iron meteorite was analyzed for isotopic Argon Content. the amount of 36Ar was 0.200mm3 (STP)per kg of meteorite in each 36Ar atom had been formed by a single cosmic event, how many such events must have been occurring per kg of meteorite?
At December 31, 2011 and 2010, Miley Corp. had 180,000 shares of common stock and 10,000 shares of 5%, $100 par value cumulative preferred stock outstanding.
How many units should be purchased in April, May, and June? How many units should be purchased in the second quarter in total?
Terry Corporation had 300,000 shares of common stock outstanding at December 31, 2010. In addition, it had 90,000 stock options outstanding, which had been granted to certain executives.
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A 2-year-old girl is evaluated for cough, runny nose, watery eyes, and fevers for a week. She also developed a diffuse rash,
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