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Leona [35]
2 years ago
12

One method of removing phosphate from wastewater effluents is to precipitate it with aluminum sulfate. A plausible stoichiometry

(but not exact because aluminum and phosphate can form many different chemical materials) is:
Chemistry
1 answer:
Viktor [21]2 years ago
8 0

Answer: The equation is written below.

Explanation:

2PO_4^{3-}(aq)+Al_2(SO_4)_3(aq)\rightarrow 2AlPO_4(s)+3SO_4^{2-}(aq)

According to Stoichiometry of the reaction:

2 moles of phosphate ions reacts with 1 mole of aluminum sulfate to produce 2 moles of aluminum phosphate precipitate and 3 moles of sulfate ions.

Aluminum phosphate is an odorless and white crystalline solid

The chemical equation is written above.

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A 50 L cylinder is filled with argon gas to a pressure of 10130.0 kPa at 300°C. How many moles of argon gas does the cylinder co
KengaRu [80]
In this problem, we need to use the ideal gas law. The following is the formula used in ideal gas law: PV = nRT, where n refers to the moles and R is the gas constant.

Given 
P = 10130.0 kPa 
V = 50 L
T = 300 degree celcius + 273.15 = 573.15 K
R = 8.314 L. kPa/K.mol

Solution
To get the moles which represent the "n" in the formula, we need to rearrange the equation.

PV = nRT                      PV
----    ------    --->    n = --------
 RT     RT                       RT

          10130.0 kPa  x 50 L
n= ---------------------------------------------
       8.314 L. kPa/K.mol  x 573.15 K
             506,500 
  =  ----------------------------
         4,765.17  mol K

=106.29 mol Ar

So the moles of argon gas is 106.29 moles 
8 0
2 years ago
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Which element cannot be the central atom of a lewis structure?.
zalisa [80]

Answer:

Hydrogen

Explanation:

Hydrogen can never be central atom despite its low electronegativity

5 0
1 year ago
What do you call a large body of air?<br> wind<br> thunderstorm<br> cold front<br> air mass
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Answer:

thunderstrom

Explanation:

it will be answer

4 0
2 years ago
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Citric acid is one component of some soft drinks. Suppose that 8 L of solution are made from 0.24 g of citric
olya-2409 [2.1K]

Answer:

0.0156

Explanation:

7 0
3 years ago
How is the pH of an acidic substance raised?
BabaBlast [244]

Answer: 4) Concentrate it

Explanation:

4 0
2 years ago
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