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Consider the titration of 30.0 mL of 0.0300 M NH3 with 0.0250 M HCl
A. Calculate the pH after the following volumes of titrant has been added: 0.0 mL, 10.0 mL, 20.0mL, 35.0mL, 36.0mL, 37.0mL.
B. Determine the K value for the reaction of NH3 with the HCl.
The following solutions are mixed together:121.0 mL of 1.54 M AgNO3 and 45.0 mL of 1.29 M K2SO4. Calculate the molar concentration of Ag+ ions in the final solution.
A buffer solution contains 0.5 M HA pka=8 and 0.25M NaA. What is the pH after 0.1 mol of HCL is added to this solution, giving a total final volume of 2L
Predict the balanced chemical equation, including the correct state of matter (gas, liquid, aqueous, solid), for the reaction of iron nitrate with potassium oxalate.
Although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. Complete the mechanism and draw the missing substances.
Chlorine gas (Cl2) is bubbled into an absorption column containing hot sodium hydroxide (NaOH) solution in order to produce sodium chlorate (NaClO3) according to the following chemical equation: 6NaOH + 3Cl2 = 5NaCl + NaClO3 + 3H2O
Write a balanced half-reaction for the oxidation of chromium ion (Cr^3+) to dichromate ion (Cr2O7^2) in acidic aqueous solution. Be sure to add physical state symbols where appropriate
The nucleus X in which A= 200 emits alpha particles of kinetic energy 5.000 MeV. Calculate (a) the velocity of the alpha particles in cm/ns, (b) the kinetic energy of the recoil nucleus in MeV, and (c) the Q value of the alpha emission in MeV. Neg..
a voltaic cell consists of mnmn2 and cdcd2 half-cells containing equal volumes of solutions with the following initial
The laser beams are tightly focused. They briefly (for 0.5s) exert enough pressure to confine 500sodium atoms in a vloume of 1.0x10^-15m^3. The temperature of this gas is 0.00024K, the lowest temperature ever reached for a gas. Compute the root-me..
For the titration of 87.95 mL of 0.1311 M NaOH with 1.2586 M HBr, find the pH equivalence point (ve) in mL of the solution within the receiving flask when 0 mL of HBr is added.
What is the molar solubility of PbI2 in water. For PbI2, Ksp=7.9x10-9. You may assume that the ions do not form ion pairs in solution. Give your answer in moles per litre, accurate to two significant figures.
What mass of oxygen is required to react completely with 25.0g of C6H14? What mass of carbon dioxide can be produced from 25.0 g of C6H14 and excess oxygen
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