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Sliva [168]
3 years ago
14

An unknown solution has a ph of 8. how would you classify this solution?

Chemistry
1 answer:
Delvig [45]3 years ago
6 0
I believe the correct answer from the choices listed above is option C. You would classify this solution as basic since it has the pH of more than 7 which signifies a basic solution. Hope this answers the question. Have a nice day. Feel free to ask more questions.
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igor_vitrenko [27]
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5 0
3 years ago
a closed flask of air (0.250 L) contains 5.00 "puffs" of particles. The pressure probe on the flask reads 93 kPa. A student uses
Sergio039 [100]

Answer: New pressure inside the flask would be 148.8 kPa.

Explanation: The combined gas law equation is given by:

PV=nRT

As the flask is a closed flask, so the volume remains constant. Temperature is constant also.

So, the relation between pressure and number of moles becomes

P=n\\or\\\frac{P}{n}=constant

\frac{P_1}{n_1}=\frac{P_2}{n_2}

  • Initial conditions:

P_1=93kPa\\n_1=5\text{ puffs}

  • Final conditions: When additional 3 puffs of air is added

P_2=?kPa\\n_2=8\text{ puffs}

Putting the values, in above equation, we get

\frac{93}{5}=\frac{P_2}{8}\\P_2=148.8kPa

3 0
3 years ago
Each warning label must contain this element and its purpose is to provide a visual alert to users to the chemical hazards to wh
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8 0
3 years ago
Read 2 more answers
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Free_Kalibri [48]
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5 0
3 years ago
How do you calculate the relative formula mass of a compound
RSB [31]
Write the formula of the compound.
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Add up the total mass for the compound.
7 0
3 years ago
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