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Question- How to find the standard deviation and the relative standard deviation ( ? RSD) for the molar concentration of the acid solution
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Problem- Suppose I titrated a solution of 3 ml 6 M HCl and 3 ml water with 16.3 ml of 1 M NaOH until endpoint was reached. How do I calculate mol HCl eq?
When dissolved in water and reacted with excess silver nitrate, AgNO3 , 0.9855 g of AgCl precipitated. What is the percentage of Cl in the impure sample
What is the total number of moles of Ca needed to react completely with 4.0 moles of H2O?
The bond energies are: C H 416 kJ/mol; C C 356 kJ/mol; C C 598 kJ/mol; O O 498 kJ/mol; C O 803 kJ/mol; H O 467 kJ/mol.determine the heat of combustion of ethylene ?
The normal boiling point of bromine is 58.8°C. Given that the vapor pressure of methanol is 75.0 torr at 2.5°C, calculate the molar enthalpy of vaporization of bromine.
a piece of metal with mass of 125grams is placed into a graduatedcylinder that contains 25.0ml of water raising the
A 0.0355 g sample of an unknown molecular compound is dissolved in 1.000 g of liquid camphor at 200.0°C. Upon cooling, the camphor freezes at 157.7°C. Calculate the molar mass of the unknown compound.
3.5 g of a hydrocarbon fuel is burned in a vessel that contains 250. grams of water initially at 25.00 C. After the combustion, the temperature of the water is 26.55 C.
The two following compounds are called crown ethers and they are used to protect alkali metal ions in some reactions. The oxygen atoms in each are joined -(CH2)2- or -(CH2)3- groups.
question what is the importance of chemistry to agriculture write summary of total one page and include references as
Question- An acid solution is 0.1200M in HCI and 0.2500M in H2SO4. What volume of 0.14M NaOH solution would be required to neutralize 200ml of the acid solution
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity as 0.015 M Na2SO4 at 18,000 units?
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