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Anit [1.1K]
2 years ago
8

Graph the pH function using the graphing utility. Then answer the questions. What is the pH of lemon juice that has a hydrogen i

on concentration of 0. 01 moles per liter? The pH is.
Chemistry
1 answer:
KiRa [710]2 years ago
7 0

The pH of lemon juice has a hydrogen ion concentration of 0. 01 moles per liter is 2.

<h3>What is pH?</h3>

pH is the measurement of acidity and basicity of any solution. The meaning of pH is potential hydrogen.

The acidity or basicity of any solution can be measured by pH scale, which is from 0 to 14.

The pH for neutral is 7 which is of pure water

The pH above 7 is base and pH below 7 is acids.

Thus, the pH of Lemon juice is 2.

Learn more about pH, here:

brainly.com/question/491373

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3 years ago
2 What is the correct sequence of steps for the preparation of a pure sample of copper(II) sulfate
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Answer:

The correct answer is - B. dissolving → evaporation filtration → crystallisation

Explanation:

The method of the preparation of a pure sample of copper(II) sulfate from dilute sulfuric acid and copper II oxide is given as follows:

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step 2. Adding the copper (II) oxide into the beaker and give it a little time at a time to the warm dilute sulfuric acid and stir

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Step 4. leave the rest filtrate to crystallize.

Copper (II) Oxide  {CuO (s)}  +  Dilute Sulfuric Acid {H2SO4 (aq)}   →  Copper (II) Sulphate {CuSO4 (s)}   +  Water {H2O}

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Helium, neon, and argon are examples of
iogann1982 [59]
C) Noble gases
The six noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). Their atomic numbers are, respectively, 2, 10, 18, 36, 54, and 86.
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Always make sure you pressure is In atm, your Volume is in Litres and temperature in degree Kelvin.

Also Recall the universal gas constant R used in this type of questions which is 0.08206.

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