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How does the radius of Li+ compare to the radius of Li? Find actual value and explain why. How does the radius of Cl- compare to the radius of Cl? Find actual values and explain why.
solid sodium reacts violently with water producing heat hydrogen gas and sodium hydroxide. how many molecules of
What is the molarity (mol/L) of a potassium permanganate solution if 14.09 mL of it was used to titrate a 10.00 mL sample
1 liter of a solution contains 0.75 moles of acetic acid and 35 grams of sodium acetate. calculate the concentration of
All of the sulfate ion is in the precipated as barium sulfate. the mass of Barium Sulfate 0.5032g . What is the average mass of saccharin per tablet ? What is the % mass of saccharin per tablet?
Calculate how wide is the cloud of organisms at the time peak concentration takes place at the intake pipe.
This solution had an absorbance of 0.810 at 510 nm and 0.476 at 656 nm in a 1.00-cm cell. a) Calculate the concentration of cobalt (in ppm) in the initial solution prepared by dissolving the sample. b)Calculate the concentration of nickel (in ppm)..
If an electrode has a potential of -1.004 V with respect to a saturated calomel electrode, what is the potential with respect to a silver-silver chloride electrode (with saturated KCl)
The sample required 3.7 mL of 0.0013 M NaOH to titrate the sample to neutrality. What was the pH of the gastric juice? Hypochloridia is defined as having a stomach pH greater than 4. Was the patient suffering from hypochloridia?
question how many grams of naphthalene c10h8 must be added to 25.00 g of ccl4 so that the vapor pressure of ccl4 over
Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 0.195 M in C2H5NH2 and 0.155 M in C2H5NH3Br. Express your answer using two decimal places.
Erythromycin is a weak base that has a pkb of 5.20. Twenty-five ml of 0.30 M solution of erythromycin is titrated with 0.35 M nitirc acid . Calculate the pH in each of the following additions of acid.
What is the percent ionization of a 0.230 M hydrosulfuric acid (H2S(aq)) solution
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