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How many grams of magnesium metal will react completely with 6.3 liters of 4.5 M HCl? Show all of the work needed to solve this problem.
Mg (s)+ 2HCl (aq)MgCl2 (aq)+ H2 (g)
Why is the catalyst Copper Chloride faster at the decomposition of hydrogen peroxide than Postassium Iodide and Lead Oxide
Calculate the equilibrium concentrationsfor this dissolution reaction if one mole of the solid is placed in 1.00 L of water (assume adding the solute does not change the volume of the solution
How many atoms of carbon are there in 0.20 mol of procaine, C13H20N2O2, a "pain killer" used by dentists?
Is smaller sample capacity the only disadvantage to smaller particle size of the stationary phase? Is that correct and/or is there any other disadvantage(s)?
Problem- A sample of gas occupies a volume 185.5 mL at STP. What pressure, in torr, would it exert if it is transferred to a gas bulb with a volume of 255.5 mL in which the temperature is maintained at 34.5 degree Celsius
A mixture is prepared by adding 22.7 mL of 0.157 M Na3PO4 to 31.2 mL of 0.277 M Ca(NO3)2. (a) What mass of Ca3(PO4)2 will be formed? (b) What will be the concentrations of each of the ions in the mixture after reaction?
Zinc hydroxide,Zn (OH)2} Ksp = 4.1 10^{-17}, is nearly insoluble in water, but is more soluble in strong base because Zn^{2+}} forms the soluble complex ion Zn( OH )_4^{2-}} Kf = 3 10^{15}.
A solution contains .10 M iodide ion, I- and 0.10 M carbonate ion, CO32-.... a. If solid Pb(NO3)2 is slowly added to the solution which salt will precipitate first, PbI2 or PbCO3? What will the concentration of the first ion that precipitates when..
the average atomic mass of naturally occurring lithium is 6.941 amu. its is mixture of two isotopes : lithium 6 (isotopic mass = 6.01512amu) and lithium 7( isotopic mass = 7.01600). what is the percent composition of lithium
Cabernet Sauvignon with a pH of 3.64. How many times more acidic is the Sauvignon Blanc? Please show work thoroughly and answer both questions.
Choose the scientist: write X for Democritus, D for Dalton, T for Thomson, R for Rutherford or B for Bohr - element were identical to all other atoms of the same element this was not correct.
If the absorbance of one of your samples is off scale, what is the most likely problem?
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