3 years ago

Acid rain has a higher than normal pH. a. True b. False

1 answer:

4 0

False. Since acids are proton donors and pH=-log[H⁺], acids lower the pH of the solution that they are put into. Therefore acid rain will have a lower pH than normal.
I hope this helps.

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A student dissolves 0.0688 mol of sodium hydroxide in water to make a 0.250 L solution. What is the molarity of the solution?

den301095 [7]

Number of moles = 0.0688 moles of NaoH

volume = 0.250 L

Molarity = moles of solute / volume ( L )

M = 0.0688 / 0.250

M = 0.28 M

Answer B

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2 years ago

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Ronch [10]

Answer:

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Explanation:

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GenaCL600 [577]

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2 years ago

Part A

den301095 [7]

Answer:

$n_{Cl_2}=0.3molCl_2$

Explanation:

Hello there!

In this case, according to the given chemical reaction whereas the sodium chloride is in a 2:1 mole ratio with chlorine, the required moles of the later are computed as shown below:

$n_{Cl_2}=0.6molNaCl*\frac{1molCl_2}{2molNaCl}$

So we cancel out the moles of NaCl to obtain:

$n_{Cl_2}=0.3molCl_2$

Best regards!

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