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Question- A 3 mL volume of a solution containing an unknown concentration of HCl is added to 7 mL of water. It is then determined that the concentration of the HCl in the diluted solution is 630 mM. What was the concentration of HCl in the original solution?
Using textbook reference solve the reactions given in above problem
If 200g of Argon gas (Ar) expands from the initial temperature of 150 degrees celcius and in the process do 3.15 kJ of work and absorbs 1.52 kJ of heat what is the final tempurature of the gas
re-establish equilibrium conditions as described: The pressure if the system is increased by decreasing the total volume. a) shift to the left b)shift to the right c) no change
The acid-dissociation constants of phosphoric acid (H3PO4) are Ka1 = 7.5 × 10-3, Ka2 = 6.2 × 10-8, and Ka3 = 4.2 × 10-13 at 25.0 °C. What is the pH of a 2.5 M aqueous solution of phosphoric acid
Problem- What is the potential of a cell made up of Zn/Zn^2+ and Cu/Cu^2+ half-cells at 25 degrees Celsius if [Zn^2+]= 0.21 M and [Cu^2+]= 0.51 M
Give a set of variables that is sufficient to specify the thermodynamic state a homogeneous pure substance
Using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00g/mL, 1) calculate the molar concentration of acetic acid (CH3COOH) in the vinegar sample using the average volume of NaOH.
A sugar water mixture contains 45.8g of sugar and 108.5 g of water. What is the percent by mass of sugar and the percent by mass of water in the solution?
What is the most important attractive forces (London dispersion, dipole dipole, hydrogen bonding) and the number of bonding domains
How many isomers of dimethylcyclohexanediol could you get from complete hydroboration-oxidation of 1,4-dimethyl-1,4-cyclohexadiene? Draw them all.
How many grams of iron are formed by the reaction of 6.0 g Al with excess iron oxide, according to the following unbalanced equation
sodium chloride is added to the water-cyclohexanone diethyl ether mixture. Explain how the addition of sodium chloride aids in isolation of the cyclohexanone product.
What are the mole fractions of ethanol and water in a solution prepared by mixing 55 mL of ethanol with 45 mL of water at 25 degrees celsius
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