Find ph of the resulting solution when hno3 is added
A solution of 75 mL of 0.2 M NH3 is titrated with 50 mL of 0.5 M HNO3. What is the pH of the resulting solution when 17 mL of HNO3 is added to the solution? Kb for NH3 is 1.8 × 10-5.
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How does EDTA react with soap. i know it reacts with sodium by replacing some of the hydrogens of the hydroxyl groups with sodium ions but would it attach to a soap molecule.
An experiment requires 44.0 g of ethylene glycol, a liquid whose density is 1.114 g/mL. Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
Do you agree with IBMs employment response to competition from software development contractors in India, like Wipro , that are expanding into It consulting services? why or why not?
The scale of a spring balance reading from 0 to 235 N has a length of 13.0 cm. A fish hanging from the bottom of the spring oscillates. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.00 Hz.
The hypothetical velocity distribution in a horizontal, rectangular open channel is V=0.3y (m/s), where V is the velocity at a distance y (m) from the bottom of the channel.
2C2H6 + 7O2---> 4CO2 + 6H2O if the reaction produces 2.75 mol of H2O how many grams of CO2 are also produced?
With its noninverting-input voltage at 10uV, the output voltage of an op amp is -15V. If A = 5*10^5 and V_CC = 15V, can you determine the magnitude of the inverting-input voltage? If not, can you determine its possible range? Show all work.
Write a balanced chemical equation for the reaction Mg+ HCl. Given that 1 mole of Mg produces 1 mole of hydrogen, H2 what is the volume of 1 mole of hydrogen at room temperature and 1 atmospehre pressure.
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