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Karolina [17]
3 years ago
5

What is the percent composition of N in HNO3 ?

Chemistry
1 answer:
bonufazy [111]3 years ago
4 0

Answer:

22.22%

Explanation:

N/HNO3*100

14/63*100

=22.22%

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What is the final volume of NaOH solution prepared from 100.0 mL of 0.500 M NaOH if you wanted the final concentration to be 0.1
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Answer:

The final volume of NaOH solution is 30ml

Explanation:

We all know that

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             or V1= V2S2÷S1

             or  V1= V2×S2×1/S1

             or   V1=100×0.15×1/0.50

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∴30 ml NaOH solution is required to prepare 0.15 M from 100ml 0.50 M NaOH solution.

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