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Consider the Reaction: H2O2(aq) + 3I- (aq) +2H+ ----------> I3- (aq) + 2H2O (l)
1. Over the First 5.0 seconds, the [I-] fell from ) 0.955 M to 0.705 M. What is the average rate of reaction over the 5.0 seconds?
2. Determine the predicted rate of change of [H+] in this 5.0 s of reaction?
Solubility of a gas in water depends on Nature of the gas - Pressure of the gas
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Maple syrup is habitually a solution of sucrose in water. Compute the molality of the syrup if a sample freezes at -.50 degrees Celsius, presuming the solute is pure sucrose. (Kf = 1.86 degrees Celsius/m)
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when separated from a water solution cuso4 forms a hydrate with 5 water molecules per formula unit. if 38 g of
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An antacid tablet contraining calcium carbonate as an active ingredient required 9.53 mL or 0.0956 M H2S04 for comlete neutralization.
What is the pH of a buffer solution made with 20 g of acetic acid and 30 g of sodium acetate in 450 mL of water? (Ka = 1.8 x 10-5). If concentrated HCl is added, will the pH increase or decrease?
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Ascorbic Acid (Vitamin C) is diprotic acid (Ka1= 8.00x10^-5 and Ka2= 1.60x10^-12). What is the pH of a 0.250M solution of ascorbic acid?
A 100.0 mL sample of .20 M HF is titrated with .10 M KOH. Determine the pH of the solution after the addition of 100.0 mL of KOH. The Ka of HF is 3.5*10^-4
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