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Effectus [21]
2 years ago
11

A student uses the apparatus to determine the concentration of a solution of hydrofluoric acid. Which component will

Chemistry
2 answers:
Marta_Voda [28]2 years ago
7 0

Answer:

1. water and a salt

2. Magnesium hydroxide reacts with HCl to produce a solution that is neutral.

3. titrant

4. 0.08 M

5. indicator

Explanation: I did it

Kryger [21]2 years ago
3 0

When determining the concentration of an acid solution, the titrant would usually be put in the burette while the analyte would be in the conical flask.

The titrant is usually a known solution while the analyte would be the unknown solution.

In order to determine the concentration of a solution of hydrofluoric acid, the acid would need to be titrated against a suitable base of known concentration using a suitable indicator to indicate the endpoint of the neutralization reaction.

Thereafter, the volume of the titrant used would be recorded and used to find the concentration of the acid (the analyte).

Thus, since the base would be known, it would be the one in the burette while the hydrofluoric acid would be the one in the conical flask.

More on titrant and analyte can be found here: brainly.com/question/22684609

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Veseljchak [2.6K]

It would be B because you want to know which TEMPERATURE is the best for the plant. Different brightness for a bulb will give different amounts of heat. Since the amount of heat is your INDEPENDENT VARIABLE, you have to change the amount of heat for each plant, so the brightness of bulbs. Therefore, B is your answer!

3 0
3 years ago
Explain why there would be a need for lithium batteries?
Leviafan [203]

Answer:

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Put this into your own words or teachers will make you redo it

6 0
2 years ago
What is the volume of a balloon of gas at 842 mm Hg and -23° C, if its volume is 915 mL at a pressure of 1,170 mm Hg and a tempe
garik1379 [7]
Answer:
             V₂  =  1070 mL or 1.07 L

Solution:

Data Given;
                  P₁  =  1170 mmHg

                  V₁  =  915 mL

                  T₁  =  24 °C  +  273 K  =  297 K

                  P₂  =  842 mmHg

                  V₂  =  ?

                  T₂  =  - 23 °C  +  273 K  =  250 K

According to Ideal gas equation,

                       P₁ V₁ / T₁  =  P₂ V₂ / T₂

Solving for V₂,

                       V₂  =  P₁ V₁ T₂ / P₂ T₁

Putting Values,

                       V₂  = (1170 mmHg × 915 mL × 250 K) ÷ (842 mmHg × 297 K)

                       V₂  =  1070 mL or 1.07 L
5 0
3 years ago
Calculate the mass in grams, in 2.28 mol of H2SO4. Please show your work to receive credit.
solmaris [256]

Answer:

98g

Explanation:

h=1*2=2

s=32

0=16*4=64

64+32+2=98

4 0
2 years ago
Which of the following is a characteristic of the sun's radiation?
astra-53 [7]

Answer:

it is made up of rays of varying frequencies

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2 years ago
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