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VMariaS [17]
2 years ago
12

What is the molarity of a solution which contains 0.80 mol of HCl in 250mL of solution?

Chemistry
1 answer:
mariarad [96]2 years ago
6 0

Answer:

3.2M HCl Solution

Explanation:

Molarity = moles of solute / volume of solution expressed in liters

moles of solute = 0.80 moles HCl

volume of solution = 250 ml = 0.250 Liter

Molarity (M) = 0.80 moles HCl / 0.250 Liters = 3.2M HCl Solution

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If temperature is increased , the number of collision per second
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Answer: increases

Explanation:

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Thus, if temperature is increased, the number of collision per second also increases.

8 0
3 years ago
Could someone please help me
Alex777 [14]

a. Emma creates a pressure difference allowing the fluid to flow.

3 0
3 years ago
If you dilute 19.0 mL of the stock solution to a final volume of 0.310 L , what will be the concentration of the diluted solutio
Dahasolnce [82]

Answer:

M_2=0.613M_1

Explanation:

M_1 = Concentration of stock solution

M_2 = Concentration of solution

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We have the relation

M_1V_1=M_2V_2\\\Rightarrow M_2=\dfrac{M_1V_1}{V_2}\\\Rightarrow M_2=\dfrac{M_119}{310}\\\Rightarrow M_2=M_1\times\dfrac{19}{310}\\\Rightarrow M_2=0.613M_1

\boldsymbol{\therefore M_2=0.613M_1}

The concentration of the diluted solution will be 0.613 times the concentration of the stock solution.

6 0
3 years ago
Please help me with this. (: I'd appreciate it.
Soloha48 [4]

Answer:

The answer to your question is:  ΔH = -283 kJ/mol, first option

Explanation:

Reaction

                CO  +  O₂     ⇒     CO₂

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ΔH = -393.5 + 110.5

ΔH = -283 kJ/mol

4 0
2 years ago
How many isomeric esters including structural isomers and stereoisomers can be made with the molecular formula C5H10O2 if methan
defon
Methanoic acid has a molecular formula of HCOOH, when form an ester it's HCOO-, so the rest of the ester is -C4H9, a saturated 4 carbon chain.  As shown in the attached diagram, there are 4 structural isomers, and the third isomer has 2 stereoisomers. So the answers is D:5.

3 0
3 years ago
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