Calculate the volume of carbon dioxide produced by burning coal 62.5% containing 96% carbon. With the equation, please.
Coal combustion equation: C + O2 = CO2
Let us find the mass of pure coal, knowing the mass fraction: m = 0.96 * 62.5 g = 60 g.
Let’s find the amount of coal substance: n = m / M = 60 g / 12 g / mol = 5 mol. According to the reaction from 1 mol of coal, 1 mol of carbon dioxide is obtained, which means n (C) = n (CO2) = 5 mol. Find the volume of carbon dioxide V = n * Vm = 5 mol * 22.4 l / mol = 112 liters. (Vm – molar volume, constant for all gases under normal conditions).
Answer: the volume of carbon dioxide is 112 liters.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.