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Likurg_2 [28]
3 years ago
6

An atom with 25 protons and 27 electrons has a charge of + True False??

Chemistry
1 answer:
sleet_krkn [62]3 years ago
6 0

Answer:

Unless you mistyped the question, the answer should be 25+

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4 years ago
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Cal is titrating 50.8 mL of 0.319 M HBr with 0.337 M Ba(OH)2. How many mL of Ba(OH)2 does Cal need to add to reach the equivalen
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Answer:

V_{base}=24.04mL

Explanation:

Hello!

In this case, according to the chemical reaction by which HBr reacts with Ba(OH)2:

2HBr+Ba(OH)_2\rightarrow BaBr_2+2H_2O

We can see there is a 2:1 mole ratio between the acid and the base; thus, at the equivalent point we can write:

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Therefore, for is to compute the volume of the used base, we proceed as shown below:

V_{base}=\frac{M_{acid}V_{acid}}{2M_{base}}

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Best regards!

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