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You are given solutions of HCl and NaOH and must determine their concentrations. You use 26.6 mL of NaOH to titrate 100. mL of HCl and 21.4 mL of NaOH to titrate 50.0 mL of 0.0796 M H2SO4. Find the unknown concentrations.
NaOHHCl
A solution formed by mixing 11.0 ml of 0.110 M HBr with 25.0 Ml of 0.190 M HCl. what is the ph of the strong acid?
At the unspecified temperature dinitrogentetraoxide partially decomposes according to the following equilibrium
Suppose 250.0 mL of 1.00 M HCl and 250.0 mL of 1.00 M NaOH, both initially at 21.0°C, are mixed in a thermos flask. When the reaction is complete, the temperature is 27.8°C. Assuming that the solutions have the same heat capacity as pure water, co..
a calorimeter contains 25.0 grams of water at the temperature of fifteen degree celsius . when 2.10 grams of a
In a vessel with a volume 3 m^3 you put 0.03m^3 of liquid water and 2.97m^3 of water vapor so the pressure is 101.33 kPa.
A sample of gasoline contains various hydrocarbons, which comprise atoms of carbon, hydrogen, and oxygen. The hydrocarbons mix together uniformly to form gasoline. Which term or terms could be used to describe this sample of gasoline?
consider a gas at 1.00 atm in a 5.00 l container at 20 degrees celsius. what pressure does the gas exert when
The density of copper is 8.92 g/cm3 and the density o zinc is 7.14 g/cm3. Assume that the density of the brass varies linearly with composition.
A crystalline unit cell contains oxygen atoms on all edges of the cell and rhenium atoms on each corner. What is the formula for rhenium oxide
a sample of neon is collected by displacing 182 ml of water. the pressures of the gas and the atmosphere are equalized
In the balanced molecular equation for the neutralization reaction between phosphoric acid and potassium hydroxide, the products are: a. 3H2O b. K3PO4 + 3H2O c. KPO4 + H3OH d. K+(aq) + PO43-(aq) + 3H+ + 3OH-
How many kJ of heat are needed to completely vaporize 1.30 moles of The heat of vaporization for water at the boiling point is 40.6 kJ/mole.
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