Using hydrogen and Lindlar catalyst the triple bond will be hydrogenated to a double one with a cis conformation.
Answer:
I think that a pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations of two or more elements and/or compounds.
Explanation:
Theoretical yield 550 kg - 100%
Actual yield 480 kg - x%
x= 480*100/550 ≈ 87.3 %
Percentage yield ≈ 87.3 %.
Answer:
A suspension is a heterogeneous mixture of a finely distributed solid in a liquid. The solid is not dissolved in the liquid, as is the case with a mixture of salt and water. Suspension.
Explanation:
Common examples of suspension include the mixture of chalk and water, muddy water, the mixture of flour and water, a mixture of dust particles and air, fog, milk of magnesia, etc. ... Particles of the suspension are large enough to scatter the rays of light and the path of ray is visible through it.
Answer:
The mass of NaBr needed is 0.22969 g.
Explanation:
1 mole of NaBr contains 22.4 dm^3 of NaBr
Therefore, 0.05 dm^3 (50/1000 = 0.05 dm^3) of NaBr = 0.05/22.4 = 0.00223 mol of NaBr
MW of NaBr = 23 + 80 = 103 g/mol
Mass of NaBr = number of moles × MW = 0.00223 × 103 = 0.22969 g
