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How many moles of Cr(OH)3 will dissolve in 1.00 L of a solution with a pH of 5.13. (Assume the pH does not change as the Cr(OH)3 is placed in the water.) (Ksp for Cr(OH)3 is 6.7 x 10-31)
If 6.73 g of Na2CO3 is dissolved in enough water to make 250 mL of solution, what is the molarity of the solution? What is the molarity of the Na+ ions
Larger molecules of hydrocarbons are broken into two or more smaller hydrocarbon molecules by a process known as
calculate the temperature of an isothermal flash drum required to vaporize 40% of a liquid mixture of 60 mole% isopropanol and 40mole% n-butanol.
A 35.0 mL sample of 0.225 M HBr was titrated with 42.3 mL of KOH. What is the concentration of KOH?
A student places 1.38g of unknown metal at 99.6 degrees Celsius into 60.50 g of water at 22.1 degrees Celsius. The entire system reaches a uniform temperature at 31.6 degrees Celsius. Calculate the specific heat of the metal
A 25.0 mL sample of 0.150M hydrocyanic acid is titrated with a 0.150M NaOH solution. What is the pH before any base is added? The Ka of hydrocyanic acid
Construct the lewis structure model for the ionic compound potassium chloride using the following steps.
What is the pH at the equivalence point when when 40.0 mL of 0.183 mol/L HC7H5O2(aq) is titrated with 0.131 mol/L NaOH(aq)? Assume the temperature is 25oC
Is the lone pair in cycloheptatrienyl anion in sp3 orbital. If so how is it antiaromatic when it does not have an uninterrupted p-orbital
a canister contains 425 kpa of carbon dioxide, 750 kpa of nitrogen, and 525 kpa of oxygen. What is the total pressure of the container?
in the olympics and other major athletic competitions a gc-ms is used to screen athletes for their use of banned
For the following reactants, predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation. NaHSO3(aq)+HI(aq)
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