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Cryolite (Na3AlF6) is an indispensable component in the electrochemical manufacture of aluminum. draw a lewis structure for AlF6 3- ion. include lone pair electrons. you do not need to include formal charges in your structure.
The NaHCO3 is the limiting reactant and the HCl is the excess reactant in this experiment. Determine the theoretical yield of the NaCl product.
We use Use the De Broglie wavelength formula, ohr radius definition and wave-particle duality equation to compute the wavelength of,
If 17.2 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia.
Starting with acetylene and any other necessary reagents, propose a synthesis for 1,2-dibromobutane
Calculate the pH at the equivalence point for titrating 0.170 M solutions of each of the following bases with 0.170 M HBr.
A gas occupying 28mL at standard conditions is heated to 18C while the pressure is reduced to 0.98221 atm. What is the new volume occupied by the gas? Answer in units of mL.
a helium balloon is held at 1.2 atm of pressure and 300 K. If the pressure on the balloon increases to 4.2 atm, to what temperature must the balloon be heated , to maintain its same volume?
How many grams of sodium bicarbonate and sodium carbonate, respectively, are needed to make 3 liters of 0.075 M buffer,
Your body needs a small amount of sodium ion, Na1+, which your body gets by consuming table salt, or NaCl. Explain what role Na1+ plays in your body and what happens if you get too much or too little. Also find five foods that are high in sodium a..
What is the change in internal energy of the system, delta U. The force of gravity on a mass m is mg, where g is the constant acceleration of gravity (g=9.80 m/s^2).
suppose you titrate a 25 ml sample of vinegar with 17.62 ml of a standardized 0.1045 N solution of NaOH. what is the molarity of acetic acid in this vinegar?
In combustion analysis, 2.00mg of vitamin C yielded 3.00mg CO2 and 0.816mg H2o. From mass spectrometry, it was found that the molecular weight of vitamin C is 176amu. Determine the mass composition of vitamin C, its empirical formula, and its molecul..
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