Answer:
Explanation:es porque las especies con nichos idénticos tienen las mismas necesidades, lo que significa que competirían exactamente por los mismos recursos.
For the original solution,
Concentration = 85g/L = 85g/1000ml
Required Volume = 150ml
(a)
Concentration = Mass/Volume
⇒ 85g/1000ml = Mass of the solute/150ml
⇒ Mass of the solute = 85 x 150/1000
⇒ Mass of the solute = 12.75 grams
Hence, 12.75 grams of the solute is required to prepare the original solution.
(b)
Now,
Concentration of the original solution = 85g/L = M1
Required concentration = 50g/L = M2
Final Volume = 500 ml = V2
Required Volume from the original solution = V1 =?
As we know,
M1V1 = M2V2
Hence,
85g/L x V1 = 500 ml x 50g/L
⇒ V1 = 500 X 50 / 85
⇒ V1 = 294.11 ml
Therefore, 294.11 ml of the original solution is required to make the diluted solution.
<h3>What is a Stock solution?</h3>
- A stock solution is a very potent mixture. These solutions are quite helpful since we may take a small amount of the stock solution and dilute it to the required concentration.
- These ready-to-use chemical reagents can be prepared quickly thanks to these stock solutions. It also aids in material conservation.
- As a result, just the amount of stock and solvent required for the dilution process is consumed when utilizing a stock solution to low-concentrated solution.
- Because we simply need to dilute the stock solution instead of preparing the solution using many reagents and complex procedures, it is also crucial to conserve storage space.
- Additionally, it enhances experiment accuracy.
- A chemical reagent is present in vast quantities as a stock solution. It has a uniform concentration.
- Examples of typical stock solutions in laboratories are sodium hydroxide and hydrochloric acid. These play a critical role in creating titration-related solution preparations.
To learn more about the Stock solution, refer to:
brainly.com/question/28083950
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Reactants are what you start with. Products are what come into being by or through the reactants. You can figure out what the products are in these sentences (which are really chemical equations written out in words rather than symbols) by looking for terms like “yield(s)/to yield,” “form(s)/to form,” “produce(s)/to produce,” “give(s)/to give,” etc. All of these terms provide the notion that you’re getting or making something. The specific substance(s) that follow these terms would be your product(s); the substance(s) that precede these terms would be your reactant(s).
So, for question 2, we see the term “produces.” There is one substance that precedes that term—potassium chlorate, which would be our sole reactant. And there are two substances that follow that term—potassium chloride and oxygen gas, which would be our two products.
In question 3, we see the term “yields” preceded by ammonium nitrate—our sole reactant—and followed by nitrogen gas, oxygen gas, and water vapor—our three products.
Lastly, in question 4, we see the explicit term “produces.” Moreover, we are told directly that dinitrogen tetrahydride reacts with oxygen gas; it should be pretty clear that these two substances are our two reactants here. The substances that we are told are produced are nitrogen gas and water, which would be our two products.
