Chemistry, 25.10.2019 00:43 cookiebrain72
Consider the following balanced chemical equation, kcl(aq) agno3(aq) → agcl(s) kno3(aq)when a sample of impure potassium chloride (0.900 g) was dissolved in water, and treated with excess silver nitrate (agno3), 1.26 g of silver chloride (agcl) was precipitated. calculate the percentage kcl in the original sample.
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Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
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Nan element’s square on the periodic table, the number with the greatest numerical value represents the
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Consider the following balanced chemical equation, kcl(aq) agno3(aq) → agcl(s) kno3(aq)when a sample...
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