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A sample of ashed broccoli was dissolved in 20.00mL of 2M HCl. This solution was found to have a concentration of 3.27*10^-5 M [Fe(SCN)63-]How many mg of Fe3+ were present in the original sample of broccoli that was ashed?
Problem- A solution of NaOH(aq) contains 7.9 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
Suppose the potassium permanganate has a concentration of 0.1550M and you use 17.65ml of it to titrate 35.00ml of the aqueous isopropyl alcohol solution. Explain what is the concentration of isopropyl alcohol in the aqueous solution
consider the titration of 100.0 ml of 0.200 m acetic acid ka 1.8 10-5 by 0.100 m koh. calculate the ph of the
Let's say you drive a car 1000 miles and you average 16.2 miles per gallon of gasoline assuming composition of gas is C8H18 what mass of carbon dioxide is produced as well as the density of gasoline is 0.8205 g/mL as well as there is 946 mL in a q..
What is the molarity of a sodium chloride solution if 2.45 grams of NaCl is dissolved in 250 mLs of water? C. How many grams of solute are in 1.75 Liters of 0.460 M sodium monohydrogen phosphate
ethylenediamine is a bidentale ligand. if the coordination number of a metal is 6 how many ethylenediiamine molecules
The normal boiling point of ether is 307.8 K. Calculate the temperature at which its vapor pressure is exactly half of that at its normal boiling point.
During an experiment, a student adds .339 g of calcium metal to 100.0 mL of 2.05 M HCl. The student observes a temperature increase of 11.0 °C for the solution. Assuming the solution\'s final volume is 100.0 mL,
The heat of vaporization of water is 2.26 kJ/g. What is q for the vaporization of 1.00 g of liquid water at 1.00 atm and 100C, to the formation of 1.00 g of steam at 1.00 atm and 100C
A 290 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 125 mL, how many moles of CN- ions will be contained in the dilute solution
a mixture containing 235 mg of helium and 325 mg of neon has a total pressure of 453 torr. what is the partial pressure of helium in the mixture?
List the chemical names and number of atoms for each chemical for each of the following equations.
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