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What is the molarity of a HCl solution if 5.00 ml is neutralized by 28.6 ml of a 0.145 M NaOH solution?
NaOH(aq) + HCl(aq) → NaCl(aq) + H2O
Question- The solubility product for MgF2 is Ksp= 8.0 E-8. Calculate the molar solubility's, of MgF2 in a solution that is 0.10M in NaF. The correct answer is supposed to be 8.0 E-6 M
The combustion of 135mg of a hydrocarbon produces 440mg of CO2 and 135mg of of H2O. The molar mass of the hydrocarbon is 270 g/mol. Determine the molecular formula of this compound ?
Determine the Ka of the ethylammonium ion (C2H5NH3+). [Kb of ethylamine (C2H5NH2) = 8.6 x10^-4]
A balloon was filled to a volume 2.50 L when the temperature was 30.0 degrees C. What would the volume become if the temperature dropped to 11.0 degrees C
potassium hydroxide to a 250 mL volumetric flask. What is the concentration of potassium hydroxide in moles per liter?
A saturated solution of silver benzoate C6H5COOOAg has a pH of 8.5. The Ka for benzoic acid C6H5OOH, is 6.5x10-5 estimate the value of the Ksp for silver benzoate
if a pair ofstudents started with 0.12 ml of acetophenone 0.151 g of piperonaldehyde and 0.80 ml of ethanol and added
State whether the equilibrium partial pressure of NH3 increases, decreases or stays the same. (a) increasing the temperature; (b) transferring the equilibrium mixture to a larger reaction vessel; (c) adding a small amount of LiOH(s), which reacts ..
Question- Does the reaction 2 FeO(s) + 1/2 O2(g) Fe2O3(s) occur spontaneously at 298 K and standard state conditions?
what effect could having too much compound in the capillary tube have on the observed melting point? a) the observed melting point would not change
A solution contains 45.0mL of .75 M HA(aq) (Ka=1.3e-5) and 55.0mL of .700 M LiA. Explain what volume of .10 M HCL(aq) must be added to change the pH of the original solution by 5.0%
When heated to 350 °Cat 0.950 atm, ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases:
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