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Artyom0805 [142]
3 years ago
6

For a theoretical yield of 23 g and actual

Chemistry
1 answer:
solong [7]3 years ago
6 0

Answer:

5. 56.5217

Explanation:

Calculate percent yield by (actual yield / theoretical yield) times 100

(13/23) x 100 = 56.52173913

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Classical name for chromium(III) phosphate
prohojiy [21]
If by classical you mean formula name it is CrPO4<span>.</span>
8 0
4 years ago
Who is responsible for the general theory of relativity?
puteri [66]

Albert Einstein was responsible for the general theory of relativity. The general theory of relativity explains that what we recognize as the force of gravity in fact arises from the curvature of space and time. In the latency of matter and energy it can evolve, stretch and morph. Forming ridges, valleys and mountains that cause bodies moving through it to curve and zig-zag.


6 0
3 years ago
What is the mass of 2.16 moles of sulfur dioxide (SO2)?
Luda [366]
<h3>Answer:</h3>

138 g SO₂

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Reading a Periodic Table

<u>Stoichiometry</u>

  • Using Dimensional Analysis
<h3>Explanation:</h3>

<u>Step 1: Define</u>

[Given] 2.16 moles SO₂

[Solve] grams (mass) SO₂

<u>Step 2: Identify Conversions</u>

[PT] Molar Mass of S - 32.07 g/mol

[PT] Molar Mass of O - 16.00 g/mol

Molar Mass of SO₂ - 32.07 + 2(16.00) = 64.07 g/mol

<u>Step 3: Convert</u>

  1. [DA] Set up:                                                                                                     \displaystyle 2.16 \ mol \ SO_2(\frac{64.07 \ g \ SO_2}{1 \ mol \ SO_2})
  2. [DA] Multiply/Divide [Cancel out units]:                                                         \displaystyle 138.391 \ g \ SO_2

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

138.391 g SO₂ ≈ 138 g SO₂

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3 years ago
Write the general chemical formula for an acid, and discuss what each component of the formula represents.
saul85 [17]
The general formula of an acid is HX where H+ acts as the cation while X can be a halogen (Cl-, Fl-, Br-, etc) and acts as the anion. There are also cases where X is an ion like SO42-, which brings two atoms of H in the formula. Strong acids dissociate completely while weak acids do not.
4 0
4 years ago
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The atomic masses of elements X and Y will always equal the exact atomic mass of Z
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A_r(x)+A_r(y)=A_r(z)

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