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3 years ago

Which of the following is the greatest dissolved solid in ocean water? Magnesium Chloride Plankton Sodium Chloride Calium

Chemistry

1 answer:

melisa1 [442]3 years ago

8 0

The right answer is Sodium chloride.

Sodium chloride is a chemical compound whose formula is NaCl. Everyone knows the taste because it is, more simply, table salt.

Let's take a pool 50 meters long and 15 meters wide and fill it with sea water. Then let's go to his analysis. We find:

1400 tons of pure water

50 tons of sodium chloride

2 tons of magnesium

1 ton of sulfur

And then much less frequent elements

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Worksheet Ch.3: % Composition, Molarity, and Other Units for

Ann [662]

The percentage composition by mass of the elements in the compound are:

Ai. The percentage composition by mass of Na in 3.65 g of NaF is 54.8%

Aii. The percentage composition by mass of F in 3.65 g of NaF is 45.2%

Bi. The percentage composition by mass of Zinc in the compound is 67.1%

Bii. The percentage composition by mass of Sulfur in the compound is 32.9%

Percentage composition by mass of an element in a compound can be obtained by using the following formula: $Percentage = \frac{mass of Element}{mass of compound} * 100$

Ai. Determination of the percentage of Na in 3.65 g of NaF

Mass of Na = 2 g

Mass of NaF = 3.65 g

<h3>Percentage of Na =? </h3>

$Percentage = \frac{mass of element }{mass of compound} * 100\\\\Percentage of Na = \frac{2}{3.65} * 100$

<h3>Percentage of Na = 54.8%</h3>

Aii. Determination of the percentage of F in 3.65 g of NaF

Mass of F = 1.65 g

Mass of NaF = 3.65 g

<h3>Percentage of F =? </h3>

$Percentage = \frac{mass of element }{mass of compound } * 100\\\\Percentage of F = \frac{1.65}{3.65} * 100\\\\$

<h3>Percentage of F = 45.2%</h3>

Bi. Determination of the percentage composition of Zn in 48.72 g of the compound

Mass of Zn = 32.69 g

Mass of compound = 48.72 g

<h3>Percentage of Zn =? </h3>

$Percentage = \frac{mass of element}{mass of compound} * 100\\\\Percentage of Zn = \frac{32.69}{48.72} *100\\\\$

<h3>Percentage of Zn = 67.1%</h3>

Bii. Determination of the percentage composition of Sulphur in 48.72 g of the compound

Mass of Zn = 32.69 g

Mass of compound = 48.72 g

Mass of S = 48.72 – 32.69 g

Mass of S = 16.03 g

<h3>Percentage of S =? </h3>

$Percentage = \frac{mass of element}{mass of compound} * 100\\\\Percentage of S = \frac{16.03}{48.72} * 100\\\\$

<h3>Percentage of S = 32.9%</h3>

Learn more: brainly.com/question/1350382

3 0

3 years ago

.. Which of the images above demonstrates unbalanced forces?

HACTEHA [7]

Answer:

kantut kantut kantut jdjdjdhdhehsbsbdhjdjsbdjsusgdiehdghd

5 0

3 years ago

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I REALLY NEED HELP ON THIS! I DON’T CARE IF YOU USE THE INTERNET! I JUST NEED AN ANSWER! GRADE CARDS COME OUT TOMORROW!

bogdanovich [222]

Answer:

Wegener discovered that the Appalachian Mountains of the eastern United States, for instance, were geologically related to the Caledonian Mountains of Scotland. Pangaea existed about 240 million years ago. By about 200 million years ago, this supercontinent began breaking up

7 0

3 years ago

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What is the volume of gas at 2.00atm and 200.0K if its original volume was 300.0L at 0.25atm and 400.OK?

adell [148]

C because the volume of gas at 2.000 atm is 9.38L original volume was 3000l

5 0

3 years ago

Basic amino acids are ________ (positive, negative) at pH 7 and acidic R group amino acids are ________ (positive, negative) at

Pani-rosa [81]

Answer:

Positive, Negative

Explanation:

The charge of an amino acid is dependent on pH values of their pKa's. At pH 7, Basic amino acid will be positive because they have pH values below their pKa's while an R group amino acid will be negative

7 0

3 years ago