This reaction has a CO2 percent yield of 62.3% What will be the mass of CO2 EXPERIMENTALLY obtained when 44.5g O2 and 24.6g C2H5OH are reacted? Molar masses: C2H5OH...
1 Answers 1 viewsThe volume of ethanol in 750 ml of wine is: 750 x 0.12 = 90 mlDensity = mass/volumeMass = density x volumeMass of pure ethanol = 0.789 x 90 =...
1 Answers 1 viewspercent v/v is (mL ethanol/mL solution)×100.So you have 25.0 mL ethanol/250 mL(25/250)×100 = 10% v/v.
1 Answers 1 viewsThe mass of ethanol is found according to the equation: m = ρ × V, where ρ – the density and V – the volume. Thus, m = 0.789 g/ml...
1 Answers 1 viewsThe amount of moles for atom\molecule\compound etc. can be calculated based on amount of atom\molecule\structural units etc. using Avogadro constant (NA=6.02x10^23) that represents 1 mole. One molecule of ethanol consists...
1 Answers 1 views∆Tb=Kb*Cm=1.22*0.66=0.81 °C;Tb(solution)=78.5 - ∆Tb=77.69 °C;Answer: 77.69°C
1 Answers 1 viewsSolution:m=d*V - a mass of a substanced=0.789 g/mL - the ethanol density.V=135 mL - the volume of ethanol.m=0.789g/mL*135mL=106.515g ~ 106.5g- the mass of ethanol.Answer:106.5g - the mass of ethanol.
1 Answers 1 views197 g
1 Answers 1 viewsd = m/v => w/w = (1.25 g/mL/ 0.789 g/mL )% = 1.584%Molar mass of ethanol = 46.07 g/molMolar concentration(mol/dm3) = density/molar mass = 0.789 g/mL / 46.07 g/mol = 0.017 * 10-3mol/L
1 Answers 1 viewsIf additional 20,000 gallons of Maize is produced, then Maize production increases to 50,000 gallons. To be able to produce additional 20,000 gallons of Maize, 1,000 Vigayo must be sacrificed. Thus...
1 Answers 1 views