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Chemistry, 28.07.2019 12:50 jgpjessi1854
The half-life of strontium-90 is 25 years. how much strontium-90 will remain 100 years if the initial amount is 4.0 g
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An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh
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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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The half-life of strontium-90 is 25 years. how much strontium-90 will remain 100 years if the initia...
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