Where can you find most of Earth's freshwater?

SAT

2 answers:

Korolek [52]2 years ago

8 0

Answer C

68% of water is found on the surface, 30% underground

butalik [34]2 years ago

5 0

C i’m not too sure but hope i helped<<<333

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Answer:

fear, manipulation, no one believes you.

Explanation:

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the abuser can manipulate the person into thinking its okay and not to snitch

some people might think youre faking it or that youre doing it for attention and your fine

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Answer: D

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a small train at an amusement park is carrying passengers. half of the passengers are 6 years old, 110 are 7 years old, 15 are 8

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The expected age for one of the passengers on the train is 7.

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If 50. 0 g of ch₃oh (mm = 32. 04 g/mol) are added to a 500. 0 ml volumetric flask, and water is added to fill the flask, what is

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Taking into account the definition of molarity, the concentration of CH₃OH in the solution is 3.12 $\frac{moles}{liters}$ .

<h3>Definition of molarity</h3>

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

$Molarity=\frac{number of moles}{volume}$

Molarity is expressed in units $\frac{moles}{liters}$ .

<h3>Concentration of CH₃OH</h3>

In this case, you know:

number of moles= 50 g× $\frac{1 mole}{32.04 g}$ = 1.56 moles, being 32.04 $\frac{g}{mole}$ the molar mass of CH₃OH
volume= 500 mL= 0.5 L (being 1000 mL= 1 L)