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Calculate the concentration of the hydronium ion and then the pH in a solution that is formed by combining 300mL of 0.10 M Ca(OH)2 with 300mL of 0.10 M H2SO4? (Ka2 = 1.2 x 10^-2 for sulfuric acid). Ca(OH)2(aq) + H2SO4(aq) <---> CaSO4(aq) + 2H2O
If 6.06 L of O2 gas is collected over water at 250C (vapor pressure = 23.8 torr) and a barometric pressure of 702 torr, what is the mass of H2O2 (MM = 34.02 g/mole) decomposed?
which of the following compounds is expected to have the strongest ionic bonds. a) RbF b) NaF c) NaI d) CsBr e) CsI
If 8.6 L of NO is combined with excess O2 at STP, what is the volume in liters of the NO2 produced?
What spectral features including mass spectrum, proton spectron, carbon spectrum and IR spectrum allow to distinguish between eugenol and acetyleugenol
The oil is burned with 20.0% excess air, based on complete combustion of the carbon to CO2, the hydrogen to H2O, and the sulfur to SO2. The oil is burned completely, but 8% of the carbon forms CO. Calculate the molar composition of the stack gas.
Find the reaction order using a Powell plot or the fractional-life method and also estimate the rate constant
Consider an ordinary 8 fluid oz. glass of water (H2O). Suppose, hypothetically, that all of the water molecules in the glass could be marked.
Determine the molecular weight of a compound given the gas phase data: mass of 11.8 g, temperature of 39.1 C, pressure of 630 torr, volume of 1.31 L.
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?
Determine the mass of phosphorus (P) is required to make 39 grams of this product?
A particular smoke detector contains 2.85 uCI of 241Am , with a half-life of 458 . The isotope is encased in a thin aluminum container. Calculate the mass of 241Am in grams in the detector. Fears of radiation exposure from normal use of such detec..
Suppose that 0.3 g of AlOOH (FM 59.99) plus 150 mL of 3M KOH are diluted to 1L to give the same species produced by Al(OH)3. Write mass balance equations for aluminum and potassium.
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