Chemistry, 03.12.2019 02:31 madivassallo
What is the purpose of adding phenolphthalein to your erlenmeyer flask prior to starting a titration?
a. the phenolphthalein acts as a color changing indicator to signal the endpoint of the reaction.
b. the phenolphthalein will change color once we have added the correct amount of base to our acid.
c. the phenolphthalein acts as an acid in the neutralization reaction.
d. the phenolphthalein acts as a base in the neutralization reaction.
Answers: 3
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Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?
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What best discribes the relationship between wavelength and frequency in a electromagnetic wave
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What is the purpose of adding phenolphthalein to your erlenmeyer flask prior to starting a titration...
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