what is phenolphthalein
Answers
Answer:
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Step-by-step explanation:
Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations. ... Phenolphthalein is slightly soluble in water and usually is dissolved in alcohols for use in experiments.
Melting point: 258–263 °C (496–505 °F; 531–536 K)
NFPA 704: 3 2 0
Appearance: White powder
Density: 1.277 g/cm3 (32 °C (90 °F))
Answer:
naphthalene is a organic compound.
it it is best known as the main ingredient of the traditional moth ball .
it it is polycyclic aromatic nitro carbon and is a white crystalline solid with a characteristic order that is detectable at concentration as low as 0.08 PPM by mass .
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