Within the limits of experimental error, showthat the law of conservation of mass was obeyed in the following experiment: 10.00 g calciumcarbonate (found limestone) was dissolved ml hydrochloric acid ( d = 1.148 g / m L ) . The products were 120.40 g solution (a mixture of hydrochloric acid and calcium chloride) and 2.22 L carbon dioxide gas ( d = 1.9769 g / L ) .
Within the limits of experimental error, showthat the law of conservation of mass was obeyed in the following experiment: 10.00 g calciumcarbonate (found limestone) was dissolved ml hydrochloric acid ( d = 1.148 g / m L ) . The products were 120.40 g solution (a mixture of hydrochloric acid and calcium chloride) and 2.22 L carbon dioxide gas ( d = 1.9769 g / L ) .
Solution Summary: The author explains that the given experiment obeyed the law of conservation of mass.
Within the limits of experimental error, showthat the law of conservation of mass was obeyed in the following experiment: 10.00 g calciumcarbonate (found limestone) was dissolved ml hydrochloric acid
(
d
=
1.148
g
/
m
L
)
. The products were 120.40 g solution (a mixture of hydrochloric acid and calcium chloride) and 2.22 L carbon dioxide gas
(
d
=
1.9769
g
/
L
)
.
In compounding a prescription, a pharmacist weighed 0.05 g of a substance on a balance insensitive to quantities smaller than 0.004 g. What was the maximum potential error in terms of percentage?
An engineer is working with archaeologists to create a realistic Roman village in a museum. The plan for a balancein a marketplace calls for 100 granite stones, each weighing 10 denarium. (The denarium was a Roman unit of mass:1 denarium = 3.396 g.) The manufacturing process for making the stones will remove 20% of the material. If the graniteto be used has a density of 2.75 g/cm3, what is the minimumvolume of granite that the engineer should order?
As part of the aspirin synthesis lab the orgo students also had to perform the following calculation to demonstrate their knowledge. Are you able to help them work this out?
Saponification is a process in which soap is produced from the chemical reaction between animal fat (triglycerides) and a strong base such as KOH.
An example of such balanced chemical reaction is shown here:
C51H98O6 + 3KOH → C3H5(OH)3 + 3C16H31O2K
(Triglyceride) (Soap)
if during the saponification reaction 231.5 g of C51H98O6 is mixed with 231.5 g of KOH and 160 g of soap is produced.
Calculate the theoretical yield of soap C16H31O2K and indicate who is the limiting reactant. (Provide your answer to 2 decimal places)
Calculate the percent yield for this reaction (Provide your answer to 1 decimal place)
*Show ALL steps and mathematical equations involved in your calculations to help the orgo students. Remember to label all…
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What are CHNOPS? These Chemical Elements = 98% of Life | Biology | Biochemistry; Author: Socratica;https://www.youtube.com/watch?v=w90wFlR53VM;License: Standard YouTube License, CC-BY