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If you start with 0.1M hydrochloric acid (which would be more "realistic" for gastric acid) and titrated with 0.1 M sodium hydroxide, what would by the result?
Three beakers labeled NaX (0.10 M, pH=7.0), NaY (0.10M pH=8.0), and NaZ (0.10 M pH =9.00). Organize the acids HX, HY and HZ in order of decreasing strength. As well find out the pKa of each.
How does the hydrogen ion (H+) [or the hydronium ion (H3O+)] and the hydroxide ion (OH-) fit into all of this? What is their role in this reaction?
Draw all of the stereoisomers that result when (E)-but-2-ene is hydrogenated with D2 over a metal catalyst.
The difference in the mass of 100 moles each of sodium atoms and sodium ions is 5>48002 g. Compute the mass of an electron.
Problem- Gold can be dissolved from gold bearing ore by treating rock with sodium cyanide in the presence of oxygen.
Question- You titrated 1.740 g of a solid unknown acid that was dissolved in 100.0 mL of distilled water; the initial pH value was 2.5. You found that pH=pKa=4.2 when 12.50 mL of NaOH had been added. The concentration of the sodium hydroxide was 0..
what is the structure of A 1:1 molar ratio of methane and oxygen, and calculate the oxygen balance
From a thermo standpt, at NLC what principal products are expected from a rxn mix consisting of ~1 mol Al(NO3)3(s) w. ~1 mol Na2CO3(s) in ~2 L of DIW? Defend/explain your response.
The volume of a sample of ethane, C2H6, is 2.66 L at 447 torr and 30 °C. What volume will it occupy at standard temperature and pressure (STP)
A 5.00-mL aliquot of a solution that contains 4.74 ppm Cu2+ is treated with an appropriate excess of 1,10-phenanthroline and diluted to 50.0 mL. The molar absorptivity of a Cu2+- 1,10-phenanthroline solution at 435 nm is 6940 L mol-1 cm-1. What is..
One mole of an ideal gas at 25C and 1 bar is allowed to expand adiabatically against a constant external pressure of 1.00 bar from 1.00 dm^3 to 10.00 dm^3. Calculate the final temperature
What is the half life? How long would it take for the concentration of CH3NC to decrease to 75% of its initial value? to 30% of its initial value
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