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72 ml of a 1.70 M solution is diluted to a volume of 288 ml.a 144 ml portion of that solution is diluted using 149 ml of water. what is the final concentration
What is the pH of 1.0 x 10^-4 M phenol where ka = 1.3 x 10^-10? This is a weak acid under dilute conditions. You need to take into account water self-dissociation to find the hydronium concentration.
a 54.1 gram sample of an unknown hydrocarbon was burned in an excess of oxygen to form 88.0grams of carbon dioxide and 27.0grams of water. what is a possible molecular formula for the hydrocarbon?
A sample of nitrogen gas was collected over water at 20 degrees celsius and a total pressure of 1.00 atm. A total volume of 2.50 x 10^1 mL was collected. What mass of nitrogen was collected
How many moles of PCl_5 can be produced from 21.0 g of P_4 and excess Cl_2?
what is the final temperature once thermal equilibrium is reached. c) how much ice remains once thermal equilibrium is reached.
If the final solution has a chloride ion concentration of 1.80M which choice is closest to the concentration of the original SrCl2 solution?
Suppose that a fully charged lead-acid battery contains 1.50L of 5.00M H2SO4. What will be the concentration of H2SO4 in the battery after 3.40A of current is drawn from the battery for 4.50 hours?
the following reaction is carried out in a closed vessel.2 nog cl2g ---gt 2 noclgif the partial pressure of no is
a system receives 93 j of electrical work performs 227 j of pressure-volume work and releases 155j of heat.what is the
What is the pressure in a 17.1 L cylinder filled with 47.9 g of oxygen gas at a temperature of 341 K?
Determine the concentration of the sodium hydroxide solution? Considering this balanced equation given as :
What is the nature of the forces of attraction in it. Explain in terms of their structures why each of the following pairs of substances have very different chemical and physical properties
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