Chemistry : asked on steward92
 21.07.2022

What volume in Liters of a solution could be prepared if you wanted to have a 10M solution using 5 moles of solute? A. 1.0L of solution
B. 2.0L of solution
C. 10.0L of solution
D. 0.5L of solution

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09.07.2023, solved by verified expert
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This problem is providing us with both the concentration and moles of a solute and asks for the volume in liters. At the end, the answer turns out to be 0.5 L according to the following.

Molarity

In chemistry, units of concentration are used to represent the relative amounts of both solute and solvent in different units. In this case, we refer to molarity due to the relationship between the moles of solute and the volume of solution as follows:

What volume in Liters of a solution could be, №18010728, 21.07.2022 22:18

Thus, having both the concentration and moles, 10 M and 5 moles respectively, one can obtain the following volume after solving for it:

What volume in Liters of a solution could be, №18010728, 21.07.2022 22:18

Learn more about molarity:

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Chemistry
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This problem is providing us with both the concentration and moles of a solute and asks for the volume in liters. At the end, the answer turns out to be 0.5 L according to the following.

Molarity

In chemistry, units of concentration are used to represent the relative amounts of both solute and solvent in different units. In this case, we refer to molarity due to the relationship between the moles of solute and the volume of solution as follows:

M=\frac{n}{V}

Thus, having both the concentration and moles, 10 M and 5 moles respectively, one can obtain the following volume after solving for it:

V=\frac{n}{M} =\frac{5mol}{0.5 mol/L}\\\\V=0.5 L

Learn more about molarity:

Chemistry
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Answer: chalcogens.
Explanation: Strontium is an alkaline earth metal, it always exhibits a degree of oxidation in its compounds +2.
Chalcogens are a group of 6 chemical elements (oxygen O, sulfur S, selenium se, tellurium te, polonium Po) that have an oxidation state of -2 => Chalcogens will combine with strontium in a ratio of 1:1.
Chemistry
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Answer: b. Fiona is correct because the diagram shows two individual simple machines.

Explanation:
A mechanical device using which we can change the direction or magnitude of force applied is known as simple machine.
For example, in the given diagram there are two individual simple machines.
The machine helps in changing the direction or magnitude of force applied by the man. As a result, it becomes easy for him to carry different things easily from one place to another.
Thus, we can conclude that the statement Fiona is correct because the diagram shows two individual simple machines, is correct.
Answer: b. Fiona is correct because the diagram shows two individual simple machines.

Explanation
Chemistry
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Calcium (Ca)(On the periodic table, ionization energy increases as you go up and to the right of the periodic table)

Calcium (Ca)(On the periodic table, ionization energy increases as you go up and to the right of the
Chemistry
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15 moles.Explanation:Hello,In this case, the undergoing chemical reaction is:Clearly, since carbon and oxygen are in a 1:1 molar ratio, 15 moles of carbon will completely react with 15 moles of oxygen, therefore 15 moles of oxygen remain as leftovers. In such a way, since carbon and carbon dioxide are also in a 1:1 molar ratio, the theoretical yield of carbon dioxide is 15 moles based on the stoichiometry:Best regards.
Chemistry
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Answer: B. carbon tetrachloride, CCI4
Explanation: The other options are incorrect. Let's write the correct formulas:
A. Diarsenic pentoxide - As2O5
C. Sodium dichromate - Na2Cr2O7
D. magnesium phosphide - Mg3P2
Chemistry
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Answer: a. basic
b. basic
c. acidic
d. neutral

Explanation: Acids and bases can be classified in terms of hydrogen ions or hydroxide ions, or in terms of electron pairs. (look at the picture)
Let us note that from the pH scale, a pH of;
0 - 6.9 is acidic
7 is neutral
8 - 14 is basic

But pH= - log [H^+]
pOH = -log [OH^-]
Then;
pH + pOH = 14
Hence;
pH = 14 - pOH

a. [H+] = 6.0 x 10-10M
pH= 9.22 is basic
b. [OH-] = 30 × 10-2M
pH = 13.5 is basic
C. IH+1 = 20× 10-7M
pH = 0.56 is acidic
d. [OH-] = 1.0 x 10-7M
pH = 7 is neutral
Answer: a. basic
b. basic
c. acidic
d. neutral

Explanation: Acids and bases can be classified
Chemistry
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Answer: -166.67 degrees Celsius.
Explanation: The equation of state of an ideal gas, also called the Mendeleev-Clapeyron equation, has the form: PV = nRT, where P is the density of the gas, V is the volume of the gas, n is the molar mass of the gas, T is the temperature of the gas, R is the universal gas constant = 8.314 J/(mol*K)
The gas temperature at a pressure of P = 978 mm. mercury column, molar mass n = 3.7 mol, and volume V = 25.12 liters is -166.67 degrees Celsius.
Chemistry
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Answer: B. 7.2 x 10(23rd power)
Explanation:
Avogadro's number is defined as the number of particles found in an amount of substance per mole. It is the factor that relates the moles of a substance to the mass of that substance. We will use Avogadro's number to calculate the number of moles of water. as follows:
Avogadro's number = 1 mol = 6.022 x 10^23 particles.
we will use the conversion factor to calculate the number of moles of water:
1.20 = N x (1mol/6.022x10^23 particles)
N = 1.20/(1mol/6.022x10^23 particles)
N = 7.2 x 10(23rd power)

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