Determine the fraction of ch4 in the mixture
Determine the fraction of CH4 in the mixture when a mixture of methane (CH4) and ethane (C2H6) of mass 13.43 g is totally burned in the oxygen. If the total mass of CO2 and H2O formed is 64.84g.
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Combustion analysis of a 13.42-g sample of estradiol (which contains only hydrogen, oxygen and carbon) formed 39.01 g CO2 and 10.65 g H2O. When the molar mass of estradiol is 272.38 g/mol, determine the molecular formula for estradiol.
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Determine the number of grams of water were in the sample if a 45g piece of ice at 0^celcius is added to a sample of water at 8^celcius. All of the ice melts and the temperature of the water decreases to 0^celcius.
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