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koban [17]
3 years ago
5

calculate the number of moles of sulfuric acid that is contained in 250 mL of 8.500 M sulfuric acid solution

Chemistry
1 answer:
san4es73 [151]3 years ago
5 0

Answer : The moles of H_2SO_4 are, 2.125 mole.

Explanation : Given,

Molarity of H_2SO_4 = 8.500 M

Volume of solution = 250 mL  = 0.250 L    (1 L = 1000 mL)

Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.

Formula used :

\text{Molarity}=\frac{\text{Moles of }H_2SO_4}{\text{Volume of solution (in L)}}

Now put all the given values in this formula, we get:

8.500M=\frac{\text{Moles of }H_2SO_4}{0.250L}

\text{Moles of }H_2SO_4=2.125mol

Therefore, the moles of H_2SO_4 are, 2.125 mole.

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You are driving a Winnebago at a casual speed of 54 miles per hour (mph) on a journey to visit your grandmother in Alabama.
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Answer:

4752 ft/min.

Explanation:

The following data were obtained from the question:

Speed (in mph) = 54 mph

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Next, we shall convert 54 mph to ft/h. This can be obtained as follow:

1 mph = 5280 ft/h

Therefore,

54 mph = 54 mph × 5280 ft/h / 1 mph

54 mph = 285120 ft/h

Finally, we shall convert 285120 ft/h to ft/min. This can be obtained as follow:

1 ft/h = 1/60 ft/min

Therefore,

285120 ft/h = 285120 ft/h × 1/60 ft/min / 1 ft/h

285120 ft/h = 4752 ft/min

From the calculations made above, 54 mph is equivalent to 4752 ft/min.

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