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HX is a weak acid that reacts with water according to the following equation: HX(aq) + H2O(l) H3O1+(aq) + X1-(aq) Ka = 1.58e-06 What is the equilibrium concentration of hydronium ion in a solution that is 0.0877 M in HX and 0.240 M in X1- ion?
A soft drink contains 35 mg. of sodium in 315g. of H2O. What is the concentration of sodium in the soft drink in mass percent?
Determine the energy of an electron in the given quantum level of each of the following ions. (Hint: Each of the ions has a different number of protons
Standard Temperature Pressure and Volume, The respiratory rate of a person is 20 breathes per minute. If every average breath is about 310cm^3 of air at 22C and 740mmHG
We are asked to explain the pH and how to find hydrogen ion concentration - Find the pH of an acidic substance of your choice.
When two atoms of 2H (deuterium) are fused to form one atom of 4He (helium), the total energy evolved is 3.83 × 10-12 joules. What is the total change in mass
How many resonance structures are there for the cyclohepatrienyl cation? Draw them. Are carbon-carbon bonds equivalent?
what mass of water is required to dissolved in 175g KNO3 to produce a 2.25 m solution?
A student determines the mass of a bone to be 23.3751g. A 50 mL graduated cylinder contains 30.3 mL of water. When the bone is placed in the water-filled cylinder,
Consider the unbalanced equation above. A sample of impure mercury(II) oxide is heated and the HgO decomposed completely. If 580. mL of O2 is collected by displacement of water at a barometric pressure of 790.0 mm Hg and 25.0°C,
Determine how many grams of C 6 H 12 O 6 should be mixed in 563 grams of C 2 H 5 OH) to form a 2.40X10^-2 m solution?
if the freezing point of a 0.107 m CH3COOH solution is -0.200°C, calculate the percent of the acid that has undergone ionization.
What volume of 0.100 M NaOH is needed to react with 11.00 g of potassium hydrogen phthalate, a monoprotic acid with a molecular weight of 132 g/mol?
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