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What is the molar solubility of the insoluble sulfate salt of tungsten(VI) in a 0.99 M Na2SO4 solution, if the Ksp value is 7.57×10-14? Recall that the molar solubility is the moles of salt per liter of solution. This means you need to consider the stoichiometry between the dissolved ions and the salt. Enter your answer in scientific notation.
The vapor pressure of pure ethyl bromide at this temperature is 400.0 torr. Assuming an ideal solution, what is the molecular mass of the compound?
Aluminum reacts with oxygen gas in a combination reaction to produce aluminum oxide. How many moles of oxygen gas are needed to react with 1.64 moles of aluminum
Solubility of Mg(OH)2 in water is 9.0z10^-4 g/100mL. What volume of .006 M HNO3 is required to neutralize1.0L of saturated Mg(OH)2 solution
at 700k the equilibrium constant kc for the gas phase reaction between no and o2 forming no2 is 8.7x 106 the rate
Draw the structures of the bases in DNA and indicate the H bonding interactions between the base pairs.
Calculate the total concentration of lead for a system containing a fixed concentration (0.01 M) of KI. Note (s) denotes solid and (aq) denotes aqueous
A weather balloon at launch is partially inflated with 3.00 times 10 power 4l of helium at STP. what will be the volume of helium at an altitude of 7km, where the pressure is 0.41atm and the temperature is -20 degrees Celsius?
water consistent with this oversimplified approach? Explain your answer ( note that there is a threshold temperature below which this approach will have a significant error)
A titration of 200.0 mL of 1.00 M H2A was done with 1.28 M NaOH. For the diprotic acid H2A, ka1 = 2.5 x 10^-5 and ka2 = 3.1 x 10^-9.
The buret is misaligned with the drop counter so approximately 10 drops of NaOH are added to the HCl before they are counted
The rate of the reaction doubles when the concentration of CH3Cl is doubled and it quadruples when the concentration of H2O is doubled. What is the unit for K?
in the reaction a rarr products a is found to be 0.490 m at t72.0 s and 0.474 m at t82.6 s.what is the average rate of
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