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valkas [14]
3 years ago
9

What is a solute that dissolves in a solvent called

Chemistry
1 answer:
Dvinal [7]3 years ago
7 0
In chemistry, a solution is a homogeneous mixture composed of two or more substances. In such a mixture, a solute<span> is a substance </span>dissolved<span> in another substance, </span>known as<span> a </span>solvent<span>.</span>
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a solution of KCl in water has a concentration of 0.243 M. The solution has a volume of 0.580 L. How many grams of KCl are prese
Novosadov [1.4K]

Answer:

10.5 g

Explanation:

Step 1: Given data

  • Molar concentration of the solution (C): 0.243 M
  • Volume of solution (V): 0.580 L

Step 2: Calculate the moles of solute (n)

Molarity is equal to the moles of solute divided by the liters of solution.

M = n/V

n = M × V

n = 0.243 mol/L × 0.580 L = 0.141 mol

Step 3: Calculate the mass corresponding to 0.141 moles of KCl

The molar mass of KCl is 74.55 g/mol.

0.141 mol × 74.55 g/mol = 10.5 g

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3 years ago
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H is 4*10^6 M , OH is 2.5*10^-9 M
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Which type of front is most likely moving through this area?
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Explanation:

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Which mineral property is being tested below?
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Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction in which water (H2O) and carb
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Answer : The mass of oxygen gas produced will be 4.45 grams

Explanation : Given,

Mass of water = 5.2 g

Molar mass of water = 18 g/mole

Molar mass of O_2 = 32 g/mole

The balanced chemical reaction will be,

6CO_2+6H_2O\overset{sunlight}\rightarrow C_6H_{12}O_6+6O_2

First we have to calculate the moles of water.

\text{Moles of }H_2O=\frac{\text{Mass of }H_2O}{\text{Molar mass of }H_2O}

\text{Moles of }H_2O=\frac{2.5g}{18g/mole}=0.139mole

Now we have to calculate the moles of oxygen.

From the balanced chemical reaction, we conclude that

As, 6 moles of water react to give 6 moles of oxygen gas

So, 0.139 moles of water react to give 0.139 moles of oxygen gas

Now we have to calculate the mass of oxygen gas.

\text{Mass of }O_2=\text{Moles of }O_2\times \text{Molar mass of }O_2

\text{Mass of }O_2=0.139mole\times 32g/mole=4.45g

Therefore, the mass of oxygen gas produced will be 4.45 grams

7 0
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