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kaheart [24]
2 years ago
14

What scientist first developed an equation to calculate the wavelengths of lines in the emission spectrum of hydrogen atoms?.

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

Answer:

Swedish physicist Johannes Rydberg

Explanation:

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I looked on a solubility chart to answer this question, and hydroxides are generally insoluble (with some exceptions of course). However, it says to consider Mg(OH)_{2} as an insoluble substance, though it may be moderately soluble.


The answer that you are most likely looking for is: Yes, a precipitate does form - this is due to the double placement reaction:


Mg(NO_{3})_{2}_{(aq)} + 2NaOH_{(aq)} → Mg(OH)_{2} {(s)} + 2NaNO_{3}_{(aq)}

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