Vitamin , cyanocobalamin, is essential for human nutrition. it is concentrated in animal tissue but not in higher plants. although nutritional requirements for the vitamin are quite low, people who abstain completely from animal products may develop a deficiency anemia. cyanocobalamin is the form used in vitamin supplements. it contains 4.34% cobalt by mass. calculate the molar mass of cyanocobalamin, assuming that there is one atom of cobalt in every molecule of cyanocobalamin.
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Chemistry, 21.06.2019 18:50
Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.
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Chemistry, 22.06.2019 20:00
Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)
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Vitamin , cyanocobalamin, is essential for human nutrition. it is concentrated in animal tissue but...
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