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Ulleksa [173]
3 years ago
10

What do you think is happening at the nanoscale that keeps the salad dressing with an emulsifier mixed?

Chemistry
1 answer:
saveliy_v [14]3 years ago
4 0

Answer:

✨ science ✨ and ✨ big brain stuff ✨

Explanation:

sorry

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Is the enthalpy change when 1 mole of a substance undergoes complete
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7 0
3 years ago
You need to prepare 100.0 mL of a pH 4.00 buffer solution using 0.100 M benzoic acid (p K a = 4.20 ) and 0.200 M sodium benzoate
bekas [8.4K]

Answer : The volume of sodium benzoate and benzoic acid  solution mixed to prepare this buffer should be, 29.0 mL and 71 mL respectively.

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Let the volume of sodium benzoate (salt) be, x

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4.00=4.20+\log \left(\frac{(\frac{0.200x}{100})}{(\frac{0.100(100-x)}{100})}\right)

x = 29.0

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The volume of benzoic acid  (acid) = (100 - x) = (100 - 29.0) = 71 mL

Thus, the volume of sodium benzoate and benzoic acid  solution mixed to prepare this buffer should be, 29.0 mL and 71 mL respectively.

5 0
3 years ago
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