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amid [387]
3 years ago
11

Motohiro felt chilled by the rainy afternoon. He decided to make a cup of hot tea. He let the tea leaves steep too long and the

tea was bitter, Motohiro added some sugar to his tea to improve the flavor. After he stirred the sugar with the tea, he couldn’t see the sugar any longer. Which statement best describes what happened to the sugar?
Chemistry
1 answer:
aniked [119]3 years ago
7 0

Answer:

.

.

pa...

... may. nnman me as soon as

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What is the percent concentration of a sodium fluoride solution made be dissolving 65.4 grams of sodium fluoride in 125.1 grams
svetoff [14.1K]

Answer:

34.33 %.

34.33 %.

34.33 %.

Explanation:

  • To calculate the mass percent or weight percent of a solution, you must divide the mass of the solute by the mass of the solution (both the solute and the solvent together) and then multiply by 100 to change it into percent.

<em>W% = [(W of solute NaF)/(W of solution)] x 100.</em>

<em></em>

W of solute NaF = 65.4 g.

W of solution = W of solute NaF + W of water = 65.4 g + 125.1 g = 190.5 g.

∴ W% = [(W of solute NaF)/(W of solution)] x 100 = [(65.4 g)/(190.5 g)] x 100 = 34.33 %.

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3 years ago
What is the mass of 1.650 mol of aluminum? How many aluminum atoms are in this quantity?
Lostsunrise [7]
1 mol i think hope it helps
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Under most conditions, an atom has the same number of protons and electrons.
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Answer:

True! Under most conditions, they are usually the same.

This is because to balance out the negativity or positivity of an atom, the opposite joins in.

Hope this helps.

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How did technology impact the development of the cell theory?
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What are the differences between a Lewis Structure and a Bohr diagram?
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\huge\underline\mathbb\pink{ANSWER\::}\\\\

Bohr's model is one of the ea.rliest model of atom in history, modified from Ruth.erford's model.

In 1913, a D.anish physi.cts, Niels Bohr refi.ned Ruth.erford model of the atom. How.ever, he disco.vers that elec.tron can only have spe.cific amo.unts of energy. These energy levels are also known as ele.ctron shells.

As for the Lewis Dot Structure, it is the m.odel of an atom that has the che.mical symbol for the ele.ment surronded by dots to rep.resent the valence ele.ctron of the ele.ment.

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