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A certain reaction between a weak acid (boric acid) and a strong base (sodium hydroxide) has an equilibrium point at a pH of approximately 11. From what you know about indicators, which indicator would be best to use to tell when neutralization has occurred?
1. methyl voilet
2. thymol blue
3. phenolphthalein
4. alizarin yellow
5. litmus
The vapor pressure of water is 28.3 torr at 29°C then determine what is the partial pressure of oxygen collected if a reaction at that temperature produces Carbon Dioxide which is collected over water at a total pressure of 576 torr, ?
What volume (in mL) of a 1.420M NaOH solution is required to titrate 25.0mL of 4.50M HCl solution.
For the following aqueous reaction, write a complete and balanced net ionic equation for MnS + HBr. And name states.
Write the anti-periplanar Newman Projection for the first step of the elimination. Using this conformation, be sure to write the correct geometry of the resulting intermediate
suppose you titrate a 25 ml sample of vinegar with 17.62 ml of a standardized 0.1045 N solution of NaOH. what is the molarity of acetic acid in this vinegar?
Why does absorbance vs concentration calibration curve need not pass through origin (0,0) looking at beer lambert law?
A sample of a gas occupies 1470 mL at 60.7?C and 740 torr. What volume would it occupy at the same pressure and 450?C.
solution of an unknown acid has a ph=1.776. What is the value of acid dissociation constant?
how many grams of urea must be added to enough water to obtain 115 ml of a solution with an osmotic pressure of 2.7 atm at 35 degrees celsius
Determine the mass of AgNO3 (MW = 170g/mol) required to dissolve in 400 mL solution in order to prepare a solution which is .14 M AgNO3.
Explain why the in phase vibration is located at a higher frequence than the out of phase stretch in the case of acetylene.
How will buffer capacity change if you add 0.2 M of benzoic acid to the buffer made of 0.3 M of acetic acid
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