The complying with quantities are placed in a container: 1.5 × 1024 molecules of diatomic hydrogen, 1.0 mol that sulfur, and 88.0 g of diatomic oxygen.
You are watching: Determine the number of sulfur atoms in 27.1 g of molecular sulfur (s8).
4.98 g H2, 32 g S; 124.98 g totalAnswer b
2.49 mol H2, 2.75 mol O2; 6.24 mol totalAnswer c
S is the limiting reactant (what would be consumed first)Answer d
8.978 × 1023 molecule of H2 and 4.6 × 1023 molecule of O2 remainClick right here to see a video clip of the solution
What is the limiting reactant in a reaction that produces sodium chloride indigenous 8 g the sodium and also 8 g of diatomic chlorine?Answer
The limiting reactant is Cl2
Which that the postulates of Dalton"s atomic theory explains why we deserve to calculate a theoretical yield because that a stclairdrake.netical reaction?Answer
Postulate 4 (A compound consists of atom of 2 or much more elements an unified in a small, whole-number ratio. In a given compound, the number of atoms of every of its facets are constantly present in the very same ratio).
A student isolated 25 g the a compound following a procedure that would certainly theoretically productivity 81 g. What was his percent yield?Answer
(mathrmPercent: yield = 31\%)
A sample of 0.53 g of carbon dioxide was derived by heater 1.31 g that calcium carbonate. What is the percent yield for this reaction?
(mathrmPercent: yield = 91.9\%)Click here to view a video of the solution
Freon-12, CCl2F2, is ready from CCl4 through reaction v HF. The other product the this reaction is HCl. Outline the actions needed to recognize the percent productivity of a reaction the produces 12.5 g the CCl2F2 from 32.9 g of CCl4. Freon-12 has been banned and also is no much longer used together a refrigerant because it catalyzes the decomposition of ozone and also has a really long life time in the atmosphere. Determine the percent yield.Answer
(ceg: CCl4 ightarrow mol: CCl4 ightarrow mol: CCl2F2 ightarrow g: CCl2F2)
Citric acid, C6H8O7, a component of jams, jellies, and fruity soft drinks, is ready industrially via fermentation the sucrose by the mold Aspergillus niger. The equation representing this reaction is
What mass of citric mountain is developed from exactly 1 metric ton (1.000 × 103 kg) the sucrose (C12H22O11) if the productivity is 92.30%?Answer
1036 kg citric acidClick below to view a video of the solution
Toluene, C6H5CH3, is oxidized by wait under closely controlled conditions to benzoic acid, C6H5CO2H, i m sorry is used to prepare the food preservative sodium benzoate, C6H5CO2Na. What is the percent productivity of a reaction the converts 1.000 kg that toluene come 1.21 kg the benzoic acid?
In a laboratory experiment, the reaction that 3.0 mol the H2 with 2.0 mol of I2 developed 1.0 mol that HI. Identify the theoretical productivity in grams and also the percent yield for this reaction.Answer
512 g (theoretical yield); (mathrmpercent: yield=25\%)Click below to see a video clip of the solution
What is the limiting reactant when 1.50 g the lithium and 1.50 g that nitrogen incorporate to type lithium nitride, a ingredient of progressed batteries, according to the complying with unbalanced equation?
<1.50g: ceLi imes dfrac1: mole: ceLi6.94g: ceLi imesdfrac2: mole: ceLi3N6:mole: ceLi = 0.0720: moles: ceLi3N>
<1.50g: ceN2 imes dfrac1: mole: ceN228.02g: ceN2 imesdfrac2: mole: ceLi3N1:mole: ceN2 = 0.107: moles: ceLi3N>
(ceLi) is the limiting reactant
Uranium can be isolated native its ores by dissolving it as UO2(NO3)2, then separating it together solid UO2(C2O4)·3H2O. Enhancement of 0.4031 g of salt oxalate, Na2C2O4, to a solution containing 1.481 g of uranyl nitrate, UO2(NO3)2, yields 1.073 g of heavy UO2(C2O4)·3H2O.
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Determine the limiting reactant and also the percent yield of this reaction.Answer
Na2C2O4 is the limiting reactant. Percent yield = 86.6%Click below to see a video clip of the solution
How plenty of molecules of C2H4Cl2 can be all set from 15 C2H4 molecules and 8 Cl2 molecules?Answer
Only 8 molecules deserve to be formed
How many molecules of the sweetener saccharin have the right to be all set from 30 C atoms, 25 H atoms, 12 O atoms, 8 S atoms, and 14 N atoms?