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Nadusha1986 [10]
3 years ago
12

A store employee first inflated a balloon with 1.53 moles of helium gas. When the customer said it needed to have a volume of 75

6 mL the employee filled the balloon with a total of 3.06 moles of gas. What was the first volume of the balloon, in milliliters?
Chemistry
1 answer:
Leviafan [203]3 years ago
3 0
The first volume milliliters are 328 mm
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Question 4 (1 point)
Rainbow [258]

а о

Explanation:

 The given cation:

           (Rf₂Al₂F₃)³⁺

The oxidation number gives the extent to which a specie is oxidized in a reaction.

This number is assigned based on some rules:

  • Elements in combined state whose atoms combines with themselves have an oxidation number of zero.
  • The charge carried on simple ions gives their oxidation number.
  • Algebraic sum of all the oxidation numbers of atoms in neutral compound is zero. In an ion with more than one kind of atom, the charge on it is the oxidation number.

for the specie given;

Known:

  oxidation number of Al = +3

                                      F = -1

                          charge = +3

    let the oxidation number of Rf = k

        2k + 2(3) + 3(-1) = +3

          2k + 6 - 3 = 3

            2k = 0

              k = 0

The oxidation state of rutherfodium is 0

learn more:

Oxidation state brainly.com/question/10017129

#learnwithBrainly

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3 years ago
How many neutrons are present in an atom of
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There’s going to be 8 neutrons presented
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How many moles in 30.0 grams of h3po4
jok3333 [9.3K]
Molar mass H₃PO₄ = 98.0 g/mol

1 mole ----- 98.0 g
? mole ------ 30.0 g

moles = 30.0 * 1 / 98.0

= 0.306 moles

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When a solute is completely dissolved in a solvent, a solution is formed.
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