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goldenfox [79]
3 years ago
7

Why is it better to give the actual speed of an object rather than to simply say it moved fast or it moved slowly

Chemistry
1 answer:
DIA [1.3K]3 years ago
3 0
Specificity. It’s really loose to say that something is fast, since speed can be scalarly linked and relative. I could say that both a car on the highway is fast, but so is the speed of light. The actual speed of something helps to do away with the arbitrary nature of using “fast” and “slow”; however, we’re still at step one of the person who is receiving the information is unfamiliar with the scale that the actual speed is defined in.
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A solution is prepared by dissolving 0.7234 g oxalic acid (H2C2O4) in enough water to make 100.0 mL of solution. A 10.00-mL aliq
marishachu [46]

Answer: The final molarity of the diluted oxalic acid solution is 0.0032 M

Explanation:

Molarity: It is defined as the number of moles of solute present per liter of the solution.

Formula used :

Molarity=\frac{n\times 1000}{V_s}

where,

n= moles of solute

Moles=\frac{\text{Given mass}}{\text{Molar mass}}=\frac{0.7234g}{90g/mol}=0.008moles

V_s = volume of solution in ml

Molarity=\frac{0.008\times 1000}{100.0}=0.08

To calculate the final molarity of the diluted oxalic acid solution

M_1V_1=M_2V_2

where,

M_1\text{ and }V_1 are the molarity and volume of concentrated oxalic acid solution.

M_2\text{ and }V_2 are the molarity and volume of diluted oxalic acid solution.

We are given:

M_1=0.08\\V_1=10.00mL\\M_2=?\\V_2=250.0mL

Putting values in above equation, we get:

0.08\times 10.00=M_2\times 250.0\\\\M_2=0.0032M

Thus the final molarity of the diluted oxalic acid solution is 0.0032 M

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