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nexus9112 [7]
3 years ago
15

How many moles of aluminum hydroxide would be produced from 4.6 miles of calcium hydroxide

Chemistry
1 answer:
Lorico [155]3 years ago
8 0
<h3>Answer:</h3>

3.067 moles

<h3>Explanation:</h3>
  • Assuming the reaction in question is between Aluminium chloride and calcium hydroxide to produce calcium chloride and aluminium hydroxide, then we can answer the question.
  • The equation for the reaction is given by;

2AlCl₃ + 3Ca(OH)₂ → 2Al(OH)₃ + 3CaCl₂

We are given;

  • 4.6 moles of Calcium hydroxide

We are required to determine the number of moles of Aluminium hydroxide formed.

From the equation, 3 moles of Ca(OH)₂ reacts to produce 2 moles of Al(OH)₃

Therefore;

Moles of Al(OH)₃ = Moles of Ca(OH)₂ × 2/3

                            = 4.6 moles × 2/3

                            = 3.067 moles

Therefore, 3.067 moles of Al(OH)₃ would be produced.

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Answer:

It is called Potassium Hydroxide

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Phenolphthalein is used as a visual indicator in a strong acid-strong base titration because
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A strong acid- strong base titration is performed using a phenolphthalein indicator. Phenolphtalein is chosen because it changes color in a pH range between 8.3 – 10. It will appear pink in basic solutions and clear in acidic solutions. ... It is known as the titrant.
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3 years ago
If have a volume of 18 L of a gas at a temperature of 272 K and a pressure of 90 atm, what will be the pressure of the gas if ra
Solnce55 [7]

Answer:

P₂ ≅ 100 atm (1 sig. fig. based on the given value of P₁ = 90 atm)

Explanation:

Given:

P₁ = 90 atm                    P₂ = ?

V₁ = 18 Liters(L)              L₂ = 12 Liters(L)      

=> decrease volume => increase pressure

=> volume ratio that will increase 90 atm is (18L/12L)                                                                  

T₁ = 272 Kelvin(K)          T₂ = 274 Kelvin(K)

=>  increase temperature => increase pressure

=> temperature ratio that will increase 90 atm is (274K/272K)

n₁ = moles = constant    n₂ = n₁ = constant

P₂ = 90 atm x (18L/12L) x (274K/272K) = 135.9926471 atm (calculator)

By rule of sig. figs., the final answer should be rounded to an accuracy equal to the 'measured' data value having the least number of sig. figs. This means P₂ ≅ 100 atm based on the given value of P₁ = 90 atm.

3 0
2 years ago
Answer plsssss I’m dumb
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Answer:

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Explanation:

4 0
3 years ago
Which is the balanced single displacement reaction between Aluminum (Al3+) and Copper Sulfate (Cu2+(SO4)2-)
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Answer:

The balanced single displacement reaction between aluminum and copper sulphate is as follows.

2Al(s)+3CuSO_{4}(aq)\rightarrow Al_{2}(SO_{4})_{3}(aq)+3Cu(s)

Explanation:

The given ions are as follows.

Al^{3+}- Aluminium ion and copper sulfate ion.

Single displacement reaction occurs one element replaces another element.

Hence, the balanced chemical reaction is as follows.

2Al(s)+3CuSO_{4}(aq)\rightarrow Al_{2}(SO_{4})_{3}(aq)+3Cu(s)

<u>Oxidation half reaction:</u>

Al\rightarrow Al^{3+}+3e^{-}

Aluminium loses three electrons.

<u>Reduction half reaction:</u>

<u>Cu^{2+}+2e^{-}\rightarrow Cu(s)</u>

Copper gain three electrons.

4 0
3 years ago
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