Seawater is 3.5% Sodium Chloride by mass. Sea Salt can contain about 10 % water.

Chemistry

2 answers:

Mekhanik [1.2K]3 years ago

6 0

10g water is removed from every Kilogram of Commercial Sea Salt

Zielflug [23.3K]3 years ago

3 0

Answer:

900 g

Explanation:

90% of 1000 g is 900g

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Which of the following statements are true?

Fofino [41]

Answer:

Explanation:

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3 years ago

What is the molarity of an HCl solution if 43.6 mL of a 0.125 M NaOH solution are needed to titrate a 25.0 mL sample of the acid

Sveta_85 [38]

Answer: The molarity of an HCl solution is 0.218 M if 43.6 mL of a 0.125 M NaOH solution are needed to titrate a 25.0 mL sample of the acid.

Explanation:

Given: $V_{1}$ = 43.6 mL, $M_{1}$ = 0.125 M

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Formula used to calculate the concentration of acid is as follows.

$M_{1}V_{1} = M_{2}V_{2}$

Substitute the values into above formula.

$M_{1}V_{1} = M_{2}V_{2}\\0.125 M \times 43.6 mL = M_{2} \times 25.0 mL\\M_{2} = 0.218 M$

Thus, we can conclude that the molarity of an HCl solution is 0.218 M if 43.6 mL of a 0.125 M NaOH solution are needed to titrate a 25.0 mL sample of the acid.

3 0

2 years ago

Two types of heterogeneous mixtures are suspensions and colloids.<br>true or false<br><br>

scoray [572]

<h2>Answer:True</h2>

Explanation:

Heterogeneous mixture is a mixture with non-uniform composition.

The properties of the mixture like concentration may change for different parts of the mixture.

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Suspensions contain solute particles of size $500nm-1000nm$ .These particles settle to the bottom of the mixture which makes the composition of the bottom different from the top.