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250 mL of a NaCl solution is treated with excess AgNO3 and all the Cl- is precipitated as 5.78 g of AgCl. What was the concentration of the original NaCl solution?
What is the effect on the calculated concentration of the standard solution if the trials of the pure KHP samples are consistently over-titrated to a deeper magenta color?
What is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased by 8.1 oC when 207 J of heat is added.
What is the final concentration of a solution made from 7.8 mL of 0.92 M CuSO4 and 14.5 mL of water?
About how much phenacetin will remain dissolved when the water calculated (94ml) is cooled to room temperature
how much energy is required to heat an iron nail with a mass of 7g from 25 degrees celcius until it becomes red hot at 750 degrees celcius?
Determine the heats of formation or the steric energies of the exo- and endo-anhydride adducts using a molecular mechanics program.
How many grams of zinc are there in 22.7 g of ZnCl2?
How many oxygen atoms are there in 52.06 g of carbon dioxide? Hint: How many O atoms does each carbon dioxide molecule contain
Determine the number of bonding electrons and the number of nonbonding electrons in the structure of XeF2
A solution is prepared by dissolving 0.16mol of acetic acid and 0.16mol of ammonium chloride in enough water to make 1.0 L of solution.
Determine the final temperature of the mixture. (Use 1g/mL as the density of water)
What is the balanced formula unit equation for the reaction Mercury(II) nitrate reacts with sodium sulfide to form mercury(II) sulfide, which is very insoluble, and sodium nitrate
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