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Question:
1. What is the method for preparing a dilute solution and what formula would you use to calculate this how much water is needed to dilute it??Show work
2. List properties of a limiting reagent. Show work
3. How many liters of (@ STP) are there of Hydrogen in 27.1g of H2S? Show work
4. What volume of 4.84 HBr is needed to create 300mL of 1.2M HBr? Show work
5. Find the empirical formula for a compound which contains 23.6% C. The compound is only made up of C and Cl. Show work
6. 15. C6H12O6 - calculate the percent by mass of Carbon in this sugar molecule's formula. Show Work
What is the pH of an aqueous solution of KOH if its density is 1.0242 g/mL. the molar weight of KOH is 56.1 g/mol. The KOH is exactly 3.00% of the solution by weight.
Cholesterol in blood is measured in milligrams of cholesterol per deciliter of blood. Hospital blood banks normally store blood in samples of 500 milliliter polyethylene bags.
The dibasic compound B (pKb1 = 4.00, pKb2 = 8.00) was titrated with 1.00 M HCl. The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH after 3.7 mL of acid are added.
Using Henry's law, calculate the molar concentration of in the surface water of a mountain lake saturated with air at 20 and an atmospheric pressure of 660 torr.
Provide the mechanism (showing all steps and curved arrows) for the dehydration of 4-methylcyclohexanol in the presence of sulfuric acid.
How many electrons are present in the outermost shell. What type of atom or molecule will be fluorine ion attract. What type of bond would be formed as a result of this association
a helium-filled balloon of the type used in long-distance flying contains 1.2 107 l of helium. let us say you fill the
in the laboratory a student combines 45.9 ml of a 0.197 m magnesium bromide solution with 16.1 ml of a 0.541 m cobaltii
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
explain why nitration occurs more rapidly in a mixture of concentrated nitric and sulfuric acids than in concentrated nitric acid alone
An emission line K atom is found to have two strongly spaced components, one at 766.70 nm as well as the other at 770.11 nm. Account for this observation as well as deduce what information you can
perform the degrees-of-freedom analysis and calculate the rates of (1) fresh propane feed, (2) propane entering and (3) exiting the reactor
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