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yKpoI14uk [10]
3 years ago
10

Calculate the pH of a buffer formed by mixing 85 mL of 0.13 M lactic acid with 95 mL of 0.16 M sodium lactate.

Chemistry
1 answer:
ankoles [38]3 years ago
4 0
Lengthy problem. I have attached a paper with the answer.

keep in mind that the way to answer these question depends on the professor's way of teaching it. 

let me know if you don't understand

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1. A solution is a mixture. The part of<br> the solution in the greater amount is<br> called the
olga_2 [115]

Answer:

Solvent

Explanation:

Many people use the solute to describe the solid being dissolved and the solvent to describe the thing doing the dissolving, but really solvent means the part of the solution with a greater amount/concentration.

For example, if you have 1 gram of salt in 10 liters of water, the water is the solvent.

5 0
2 years ago
A mineral forms from water at the edge of a lake.
irga5000 [103]

Answer:C

Explanation:The mineral is only formed when hot water cooler

8 0
3 years ago
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How many grams of ice at -13 deg C must be added to 711 grams of water that is initially at a temperature of 87 deg C to produce
Basile [38]

Answer:

The answer to your question is m = 4.7 kg

Explanation:

Data

Ice                                   Water

mass = ?                          mass = 711 g

T₁ = -13°C                         T₁ = 87°C

T₂ = 10°C                         T₂ = 10°C

Ch = 2090 J/kg°K          Cw = 4180 J/kg°K

Process

1.- Convert temperature to kelvin

T₁ = 273 + (-13) = 260°K

T₁ water = 87 + 273 = 360 °K

T₂ = 10 + 273 = 283°K

2.- Write the equation of interchange of heat

                 - Heat lost = Heat absorbed

               - mwCw(T₂ - T₁) = miCi(T₂ - T₁)

-Substitution

              - 0.711(4180)(10 - 87) = m(2090)(10 - (-13))

- Simplification

                            228842.46 = 48070m

                            m = 228842.46/48070

-Result

                            m = 4.7 kg

4 0
3 years ago
Please help will give brainliest and brainly points tyty &lt;3
Tanya [424]

Answer:

Convection

Explanation:

3 0
2 years ago
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What inorganic molecule is carbon normally found in?
DiKsa [7]

It’s CO2

Carbon dioxide

6 0
3 years ago
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