Reserpine is a natural product isolated from the roots of the shrub Rauwolfia serpentina. It was first synthesized in 1956 by No
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Answer:
The cuvette was blank with the solution so that the spectrometer will only read the solute absorbance. This also ensures that the spectrometer will ignore other absorbance fluctuations that normally occur due to the chemical make-up of water. The spectrometer only considered the absorbance of as indicated on the spectrum. The reaction between the
and the
are both clear liquids that form the orange liquid product
which creates the absorbance spectrum. Because the color of the solution is orange, it reflects this and similar colors while absorbing blueish hues. We can find the absorption of only the
by pre-rinsing the cuvette with each solution we intend to measure before placing it in the spectrometer. Also, wipe each cuvette with a kimwipe to remove all fingerprints that could effect the data collection.
Explanation:
The cuvette was blank with the solution so that the spectrometer will only read the solute absorbance. This also ensures that the spectrometer will ignore other absorbance fluctuations that normally occur due to the chemical make-up of water. The spectrometer only considered the absorbance of as indicated on the spectrum.
<u>Answer:</u> The cost is coming out to be $ 1.25
<u>Explanation:</u>
To calculate the number of moles for given molarity, we use the equation:
Molarity of HCl solution = 0.4 M
Volume of solution = 0.5 L
Putting values in equation 1, we get:
The chemical equation for the reaction of HCl and calcium carbonate follows:
By Stoichiometry of the reaction:
2 moles of HCl reacts with 1 mole of calcium carbonate
So, 0.2 moles of HCl will react with = of calcium carbonate
To calculate the mass of calcium carbonate for given moles, we use the equation:
Molar mass of calcium carbonate = 100 g/mol
Moles of calcium carbonate = 0.1 moles
Putting values in equation 1, we get:
- Calculating the mass of calcium carbonate in 1 container:
We are given:
One container contains eighty 1 g of tablets, this means that in total 80 g of tablets are there.
Every container has 40 % calcium carbonate.
Mass of calcium carbonate in 1 container = 40 % of 80 g =
- Calculating the containers for amount of calcium carbonate that neutralized HCl by using unitary method:
32 grams of calcium carbonate is present in 1 container
So, 10 g of calcium carbonate will be present in = container
- Calculating the cost of turns:
1 container of turns costs $4
So, 0.3125 containers of turns will cost =
Hence, the cost is coming out to be $ 1.25