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Lemur [1.5K]
3 years ago
11

The structure of the periodic table is based on the distribution of ___ in each element. The elements are arranged in horizontal

Chemistry
1 answer:
Harlamova29_29 [7]3 years ago
3 0

Answer:

I dont know the first blank but I know the second one is groups and the last one is periods.

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If 0.8675 g of KHP requires 24.56 mL of an NaOH solution to reach the equivalence
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Answer:

M_{base}=0.173M

Explanation:

Hello there!

In this case, since the titration of acids like KHP with bases like NaOH are performed in a 1:1 mole ratio, it is possible for us to know that their moles are the same at the equivalence point, and the concentration, volume and moles are related as follows:

n_{acid}=M_{base}V_{base}

Thus, by solving for the volume of the base as NaOH, we obtain:

M_{base}=\frac{n_{acid}}{V_{base}} \\\\M_{base}=\frac{0.8675g*\frac{1mol}{204.22g} }{0.02456L} \\\\M_{base}=0.173M

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