Using a burette, 0.20 M NaOH solution is added dropwise into 50.0 mL of potassium hydrogen phthalate (KHP) solution. To reach the equivalence point of the NaOH KHP neutralization reaction (pH~9.0) requires 25.00 mL of the NaOH solution. What is the concentration of the KHP solution

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Answer(d) unstable compounds that convert to acetals in the presence of alcohol and an acid; (b) semiacetals produced by alcohol subtraction from ketone;

Ithink it's the third answer

Those are different gas lawshere is a brief description of themcharles's law states that volume and temperature are directly proportional to each other as long as pressure is held constant.  boyle's law asserts that pressure and volume are inversely proportional to each other at fixed temperature.gay-lussac's law introduces a direct proportionality between temperature and pressure as long as it is at a constant volume.    source: