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Rashid [163]
2 years ago
9

PLEASE HELP!!!!! Is it as critcal for your tap water to be a good buffer as it is for the water at the nearest lake to be a good

buffer? Why or why not?
Explain your answer.​
Chemistry
1 answer:
Liula [17]2 years ago
3 0

The water at the nearest lake is a good buffer than water from the tap.

<h3>Buffer solutions</h3>

A buffer solution is a solution that has the ability to resist the pH change of the solution because it either contains a weak acid and its conjugate base or a weak base and its conjugate acid.

Examples of naturally containing buffer solution is the blood which contains bicarbonate as a buffering system that maintains its pH.

In the lake, there are presence of shoreline buffer which is a strip of natural vegetation along the shoreline of a lake. It creates a natural buffer system that helps resist the acidifying effect of additional acid rainfall.

Therefore, the water at the nearest lake is a good buffer than water from the tap.

Learn more about buffers here:

brainly.com/question/22390063

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Sorry bro but idk maybe its :1 L=<span>103</span><span>mL</span>
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3 years ago
A solution is prepared by dissolving 2.61 g ethanol (C2H5OH) in 16.2 g water. What is the molality (mol/kg) of C2H5OH in the sol
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Answer:

3.50 molal

Explanation:

Molality → Moles of solute / kg of solvent.

Let's convert the solvent's mass from g to kg

16.2 g . 1kg / 1000 g = 0.0162 kg

Let's determine the moles from the solute

2.61 g . 1 mol / 46 g = 0.0567 moles

Molality → 0.0567 mol / 0.0162 kg = 3.50 m

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If water is added to a 0.70 molar solution of CuSO4 what will change
lana [24]

Answer:

B. Molarity will decrease

Explanation:

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In essence, adding water to a solution dilutes it i.e it increases the solvent's volume in relation to the solute, causing the molarity to decrease. In a nutshell, diluting a solution (by adding water or more solvent) causes the molarity of such solution to decrease. For example, if water is added to a 0.70 molar solution of CuSO4, the molarity of the solution will DECREASE.

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Answer:

8

Explanation:

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