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Harrizon [31]
3 years ago
15

Help I’m so confused

Chemistry
2 answers:
rodikova [14]3 years ago
7 0
Me to I am very confused like and what prob 1 or 2
ira [324]3 years ago
4 0

Answer:

Me too.  What is this for? A Lab. You are missing some kind of key info bud.

Explanation:

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How many grams of H3PO4 are in 175mL of a 2.50M solution of H3PO4?
solmaris [256]
<span>(0.1875 moles)(98.004 g/mole) = 18.37575 g </span>
<span>In correct number of significant figures: 18.4 </span>
5 0
2 years ago
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There is an electrolytic cell in which Mn2+ is reduced to Mn and Sn is oxidized to Sn2+.
leonid [27]

Answer:

See explanation

Explanation:

Anode;

Sn(s) ------> Sn^2+(aq) + 2e

Cathode;

Mn^2+(aq) + 2e ------> Mn(s)

The minimum voltage required to drive the reaction is the cell voltage. The cell voltage is obtained from;

E°cell= E°cathode - E°anode

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Read the following summary, which describes a body process. Then, answer the question.
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Answer:

Respiritation

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2 years ago
What is "change" when we are talking about natural and physical systems?
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D: is the anwser that your looking for

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Equation Given : Al^(3+) + Na3PO4 ==&gt; 3Na^+ + AlPO4
Helga [31]

1 mols of Aluminium ion forms 1 mol aluminium phosphate

Molar mass of AlPO_4

  • 27+31+16(4)
  • 58+48
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Moles of AlPO_4

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Moles of Al3+=57.5µmol

3 0
2 years ago
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