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GuDViN [60]
3 years ago
10

What is the molarity of a solution prepared by dissolving 35.0 grams of NaOH in enough water to make a solution with a total vol

ume of 2.40 liters?
Chemistry
1 answer:
gayaneshka [121]3 years ago
5 0
First u convert moles to grams (ps u can use a calculator online for that!) then take the mol and times that by the liters(volume) i got 0.364 M NaOH
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Which bonds are formed when elements share electrons and form molecules?.
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Answer:

A covalent bond

Explanation:

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Define all of the different changes of state and what the states they change to and form
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How much volume will 8.8 moles of gas fill at 0.12 atm at 56*C
Neporo4naja [7]

Answer:

2000 L

General Formulas and Concepts:

<u>Atomic Structure</u>

  • Moles
  • Temperature Conversion: K = °C + 273.15

<u>Gas Laws</u>

Ideal Gas Law: PV = nRT

  • P is pressure
  • V is volume (in L)
  • n is number of moles
  • R is gas constant
  • T is temperature (in K)

Explanation:

<u>Step 1: Define</u>

[Given] 8.8 moles gas

[Given] 0.12 atm

[Given] 56 °C = 329.15 K

<u>Step 2: Solve for </u><em><u>V</u></em>

  1. Substitute in variables [Ideal Gas Law Formula]:                                           \displaystyle (0.12 \ atm)V = (8.8 \ mol)(0.0821 \ \frac{L \cdot atm}{mol \cdot K})(329.15 \ K)
  2. Isolate <em>V</em>:                                                                                                           \displaystyle V = \frac{(8.8 \ mol)(0.0821 \ \frac{L \cdot atm}{mol \cdot K})(329.15 \ K)}{(0.12 \ atm)}
  3. Multiply/Divide [Cancel out units]:                                                                   \displaystyle V = 1981.7 \ L

<u>Step 3: Check</u>

<em>Follow sig fig rules and round. We are given 2 sig figs.</em>

1981.7 L ≈ 2000 L

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