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Arisa [49]
3 years ago
11

When you want to dilute a solution, what

Chemistry
1 answer:
GREYUIT [131]3 years ago
5 0

Answer:

Dilution is the prosess where a solution is added more of the solvent to decrease the concentration of the solute. In dilution, the amount of solute does not change, the number of moles are the same before and after dilution.

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What object is being acted on by balanced forces?
tamaranim1 [39]

Answer: D . A car that moves at a constant speed in one direction.

Explanation: D is the answer because a car moving in a constant speed represents a balance force because the speed is constant and the forces are balanced or , when a car travels at a constant speed, the driving force from the engine is balanced by resistive forces such as air resistance and friction in the car's moving parts.

4 0
3 years ago
The mass of a solid substance is 21.1164 g. If the volume of
GuDViN [60]

Answer:

The density of the  substance is 1.0611 \frac{g}{cm^{3} }

Explanation:

The density of a substance is a characteristic property that matter, whether solids, liquids or gases, has to be compressed in a given space, that is, it allows us to measure the amount of mass in a certain volume of a substance.

Density is expressed as follows:

density=\frac{mass}{volume}

In this case:

  • density: ?
  • mass: 21.1164 grams
  • volume: 19.9 cm³

Replacing:

density=\frac{21.1164 grams}{19.9 cm^{3} }

density= 1.0611 \frac{g}{cm^{3} }

<u><em>The density of the  substance is 1.0611 </em></u>\frac{g}{cm^{3} }<u><em></em></u>

4 0
4 years ago
Consider the equation: S + 3O2 and SO3. Is this equation balanced? why or why not​
Maurinko [17]
The balanced equation is
2SO
2
+
O
2
→
2SO
3
3 0
3 years ago
Read 2 more answers
What do you understand by Project of National Pride<br>​
LuckyWell [14K]

Answer:

National Pride Projects are a set of infrastructure projects by the government of Nepal based on the proposal by the National Planning Commission.

6 0
4 years ago
If you only have 36.5 grams of Potassium Carbonate (K2CO3 molar mass = 138.2 g/mole). How many liters of a 0.52 M solution can y
kirza4 [7]

Answer:

0.508 L of solution.

Explanation:

Always a safe bet to convert to moles:

n= {m \over MM}\\

Where n is moles, m is mass, and MM is molar mass.

Now remember the equation for concentration (molarity):

C={n \over V}

Where C is the concentration, n is moles, and V is volume.

To make this easy, combine the two equations (note n appears in both, so you can do a substitution) and solve for V as the question asks:

C={m \over MM \times V}\\0.52={36.5 \over 138.2 \times V}\\V={36.5 \over 138.2 \times 0.52}\\V=0.508

Therefore we can make 0.508 L of solution.

8 0
3 years ago
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