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Vinil7 [7]
3 years ago
10

The compound FeCl3 Is made of.

Chemistry
1 answer:
Mrac [35]3 years ago
7 0

Answer:

iron and chlorine

Explanation:

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A buffer is prepared by adding 150mL of 0.50 M NH3 to 250mL of 0.50 M NH4NO3. What is the pH of the final solution? (Kb for NH3
Juli2301 [7.4K]

From the calculations, the pH of the final solution is 9.04.

<h3>What is the pH of the buffer?</h3>

We can use the Henderson Hasselbach equation to obtain the final pH of the solution in terms of the pKb and the base concentration.

Number of moles of salt = 250/1000 L * 0.5 M = 0.125 moles

Number of moles of base = 150/1000 L * 0.5 M = 0.075 moles

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pOH = pKb + log[salt/base]

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pOH = 4.74 + log[0.3125/0.1875 ]

pOH = 4.96

pH = 14- 4.96

pH = 9.04

Learn more about pH:brainly.com/question/15289741

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Will mark as Brainliest.
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