Describe the percent by mass of each compound
A 0.8870-g sample of a mixture of KCl and NaCl is dissolved in the water, and the solution is then treated with an excess of AgNO3 to yield 1.822g of AgCl. Determine the percent by mass of each compound in the mixture
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The minimum energy required to knock an electron out of an atom of cesium is 3.43 x 10-19 J. Cesium metal is used in the photocells of automatic door openers.
The total of $12,000 is invested in 2 funds paying 9% and 11% simple interest. If interest for first year is $1,180, how much of $12,000 is invested at 9%?
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Explain how much potassium chlorate is required to form the 20.0 mL of oxygen gas at the 670 mmHg and 20oC given the equation: 2KClO3(s) →2KCl(s) +3O2(g)?
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