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Describe in detail a way of preparing 500 ml of solution that is 0.02500 M in sodium ions. Start with solid sodium sulfate decahydrate
use the factor label method to determine what quantity of 5.00x10 -3 M EDTA would be needed to mtitrate ml of water containing .0124 g of calcium carbonate
A mixture of the compounds magnesium chloride and sodium oxide contains 2.65 g of magnesium and is 82.5 % by mass magnesium chloride. The compound magnesium chloride is 25.5 % by mass magnesium. The compound sodium oxide is 74.2 % by mass sodium. ..
A zero-order reaction has a constant rate of 2.00×10-4 . If after 50.0 seconds the concentration has dropped to 6.00×10-2 , what was the initial concentration?
a sample of zn metal reacts completely with of an excess of hcl. the hydrogen gas produced is collected over water at
calculate OH for a solution formed by adding 5.80 mL of 0.190 KOH to 20.0 mL of 7.5×10-2M Ca(OH)2.
illustrate the reaction that would form a carboxylate ion from 2-Methylbutanoic acid. Write the IUPAC name for the ion that forms. Can you please show the condensed format versus the line angle?
A quantity of C2H4 gas occupies a volume of 100L at 37C and a pressure of 720 mm Hg. Calculate the weight in grams of this gas.
if i initially have a gas at a pressure of 12 atm a volume of 23 liters and a temperature of 200 k and then i raise the
what is happening to the observed cell potential, Ecell and E0Cell as Zn2+ increases and Cu2+ decreases?
3H2 + N2 -> 2NH3. At 200 degrees C in a closed container, 1.00atm of nitrogen gas is mixed with 2.00atm of hydrogen gas. At equilibrium, the total partial pressure is 2.00atm.
what effect does the presence of sodium sulfite group on methyl orange have on the solubility of methyl orange in water. If this group were absent, would you expect the solubility of the resulting molecule to be more or less soluble in hexane than..
the partial pressure of oxygen in the atomsphere is 0.20 atm, what is the solubility of dissovled oxygen in blood? recall that the soulibilty of oxygen constant
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