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1. Calculate the pH of a solution made from dissolving 1.00 moles of benzoic acid with 1.00 moles of sodium benzoate in enough water to make 750ml of solution
2. Calculate the pH of the above solution if 1.00 moles of benzoic acid and .97 moles of Sodium Benzoate are added in enough water to make 750ml of solution
The element lithium has two naturally occurring isotopes, 7Li (isotopic mass 7.0160 amu, abundance 92.5 %) and 6Li (isotopic mass 6.0151 amu, abundance 7.50 %). Calculate the atomic mass of lithium.
what mass of water is required to dissolved in 175g KNO3 to produce a 2.25 m solution?
Our stock solutions are 0.2M EDTA, 0.04 M NaF and 1.2 M potassium phosphate. What volumes of the stock solutions should be measured?
What is the maximum mass of water that can be released by heating a 8.904 g sample of nickel(II) sulfate heptahydrate?
When you heated the hydrated compound this process starts slowly at first find out the reason behind this and compute k for this acid if A 0.020 M solution of weak acid HA is 0.60% ionized.
Alkynes can be hydrated in the presence of acid and HgSO4, by electrophilic addition of a molecule of water to the triple bond. The reaction proceeds by way of a carbocation intermediate
the concentration of copper(II) sulfate in a brand of fertilizer is 0.07% by weight. If a 21.5 g sample of this fertilizer is dissolved in 2.0L solution, what is the molar concentration of Cu2+.
what is the relative probability (pB/pA) that the protein wil be in state B vs state A?
A 75 watt incandescent light bulb and an 18 watt compact fluorescent bulb are equally bright. How much warmer will an insulated closed 12 by 11 by 8 foot room get in 1 hour if it is lighted by an incandescent bulb
what is the concentration of toluene in air produced by vaporizing 1 ml of liquid toluene into clean air to produce a total volume of 100 liters? Toluene has a molecular weight of 92
How much ethylene glycol (C2H6O2) the major component of antifreeze, must be added to 1 L of water to keep it from at -15 F? Kf= 1.86 C/m.
The following data were obtained for the decomposition of N2O5 in the presence of 1 atm. N2 at 298 K.time (hr.) P(N2O5) atm P(N2O5) P(N2O5) P(N2O5) (for P(N2)=5 P(N2O5) (atm))
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