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vlabodo [156]
3 years ago
6

ASAP Which of these mixtures would best be separated through distillation?

Chemistry
1 answer:
sveta [45]3 years ago
4 0

Answer:

Water and acetone is best by separated through distillation

The correct answer would be option C Acetone and water.

Explanation:

When in a mixture of fluid solution, two liquids are mixed in a form of mixture then these liquid can be separated only one method which is based on the fact. That two different liquids will have two different boiling temperatures which method of separating the Fluids is distillation.  

The different liquids that are  present in mixture are boiled and the vapours are condensed and the condensed portion is  accumulated in another beaker.

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2.00 mL of a 12.00 M HCL solution was reacted with 0.0450 grams of magnesium.?
Allisa [31]

Answer:

Magnesium Mg will be the limiting reagent .

Explanation:

The limiting reagent is one that is first consumed in its entirety, determining the amount of product in the reaction. When the limiting reagent ends, the chemical reaction will stop.

In other words, the limiting reagent is that reagent that is consumed first in a chemical reaction, determining the amount of products obtained. The reaction depends on the limiting reagent, because the other reagents will not react when one is consumed.

In this case, the balanced reaction is:

Mg + 2 HCl ⇒ MgCl₂ + H₂

You know tha 2.00 mL of a 12.00 M HCl solution was reacted with 0.0450 grams of magnesium.

Being Molarity (M) the number of moles of solute that are dissolved in a certain volume, calculated by the expression:

Molarity=\frac{number of moles of solute}{volume}  ( Molarity is expressed in units \frac{moles}{liter})

then the number of moles can be calculated as:

number of moles of solute=molarity* volume

So, being:

  • molarity= 12 M
  • volume= 2 mL= 0.002 L (being 1,000 mL= 1 L)

The number of moles of HCl that react is:

number of moles of HCl= 12 M*0.002 L= 0.024

On the other hand, since the molar mass of magnesium is 24.305 g / mol, then if 0.0450 grams of magnesium react, it indicates that they must react:

0.0450 grams*\frac{1 mol}{24.305 grams} = 0.00185 moles

To determine the limiting reagent, it is possible to use the reaction stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction), and a simple rule of three as follows: if by stoichiometry 1 mole of Mg reacts with 2 moles of HCl, how much moles of Mg will be needed if 0.024 moles of HCl react?

moles of Mg=\frac{0.024 moles of HCl*1 moles of Mg}{2 moles of HCl}

moles of Mg= 0.012

But 0.012 moles of Mg are not available, 0.00185 moles are available. Since you have less moles than you need to react with 0.024 moles of HCl, <u><em>magnesium Mg will be the limiting reagent .</em></u>

8 0
3 years ago
Please help
Softa [21]

If the colored spheres are solutes, the overall direction of water would be out of the cell based on the principle of osmosis.

<h3>What is osmosis</h3>

It is the movement of water molecules from the region of high water potential (low solutes) to the region of low water potential (high solute) through a selectively permeable membrane.

In the illustration, there are more colored spheres outside of the cell than inside of it. This means that there are more solutes outside the cell (lower water potential) than inside of the cell (higher water potential).

Thus, water will move from the inside of the cell to the outside until an equilibrium is established.

More on osmosis can be found here: brainly.com/question/1799974

6 0
2 years ago
What type of a graph shows data as they are pieces of most of pie
zheka24 [161]

Answer:

Almost every graph will help and do more then it say it can.

Explanation:

7 0
3 years ago
How many molecules in 3.4 moles of NH4NO3?
aliya0001 [1]

There are  20.5 x 10^24 molecules are present in 3.4 moles of NH4NO3.

<h3>How many molecules in 3.4 moles of NH4NO3?</h3>

We know that one mole of a substance has  6.022 × 10²³ molecules so in 3.4 moles of NH4NO3, we have 20.5 x 10^24 molecules if we multiply the  6.022 × 10²³ with 3.4.

So we can conclude that there are  20.5 x 10^24 molecules are present in 3.4 moles of NH4NO3.

Learn more about mole here: brainly.com/question/15356425

#SPJ1

5 0
2 years ago
If an object has a density of 0.00018 g/cm cubed, what density would it be if it had a mass of 10kg
Vladimir79 [104]

Answer:

Explanation:

first to get the density of some thing you have to devide the mass by the volume so 0.00018 (divided) by 10 kg and that gives you ur answer

3 0
2 years ago
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