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svlad2 [7]
2 years ago
6

What element in the second period has the largest atomic radius?

Chemistry
1 answer:
maksim [4K]2 years ago
7 0

Answer:

Be

Explanation:

Mg is in the 3rd period. So eliminate it.

Across a period the atomic radius decrease. So Be > C > O

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Answer : The volume of 6M NaOH stock solution is, 16.7 mL

Explanation :

To calculate the volume of NaOH stock solution, we use the equation given by neutralization reaction:

M_1V_1=M_2V_2

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M_1\text{ and }V_1 are the molarity and volume of NaOH stock solution.

M_2\text{ and }V_2 are the molarity and volume of NaOH.

We are given:

M_1=6M\\V_1=?\\M_2=0.2M\\V_2=500mL

Putting values in above equation, we get:

6M\times V_1=0.2M\times 500mL\\\\V_1=16.7mL

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