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Likurg_2 [28]
3 years ago
15

Why are there only two elements in the first row of the periodic table?

Chemistry
1 answer:
Wittaler [7]3 years ago
7 0
Look in the internet
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Dmitriy789 [7]

Answer:

Option 1

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Option number 1 is the most compact one which indicates it is a solid

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Why does each salt give off one dominant color instead of the entire spectrum
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3 years ago
When a teacher dilutes 50 mL of 2.0 M NaOH to 0.50 M, what volume of NaOH results?
JulijaS [17]

Answer:

= 200 mL

Explanation:

Using the dilution formula;

M1V1 = M2V2 ;

Where, M1 is the concentration before dilution, V2 is the volume before dilution, while M2 is the concentration after dilution and V2 is the volume after dilution.

M1 = 2.0 M

V1 = 50 mL

M2 = 0.50 M

V2 = ?

V2 = M1V1/M2

     = ( 2.0 × 50 )/ 0.5

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