A flask contains 100 ml of hcl and a few drops of
A flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 50.0 mL of 0.230 M NaOH.
1. what volume of NaOH is needed to reach the end point of the titration?
2. what was the initial concentration of HCl?
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Draw chemical structures to explain why a water molecule might be essential to producing a stable crystal of caffeine.
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Create a Line class using the coefficients a, b and c of the equation ax + by + c = 0 that represents the line as the class fields. Enforce the class invariant that either a or b is non-zero and c is either 0 or 1.
A flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 50.0 mL of 0.230 M NaOH. what volume of NaOH is needed to reach the end point of the titration
The filter is to have less than 1 dB ripple in the passband compared to the response at DC. The passband is to extend to at least 16 kHz. In addition, the stopband attenuation is to be at least 65 dB, starting at the Nyquist frequency of 22.05 k
An aluminum cup contains 225 g of water and a 40 g copper stirrer, all at 27°C. A 490 g sample of silver at an initial temperature of 90°C is placed in the water. Calculate the mass of the aluminum cup
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What does the structure of isopinocampheol (the product of a hydroboration-oxidation reaction of (1R)-(+)-alpha-Pinene) indicate about the mechanism of the reaction in terms of regioselectivity and stereoselectivity
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