1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
IRISSAK [1]
3 years ago
15

How many molecules are in 2.38g of SO2

Chemistry
1 answer:
Murrr4er [49]3 years ago
5 0

2.63 x 10^22 molecules of SO2.

To find this, start with what you know.

2.38g of SO2.

You need to first convert this into Moles since you cannot directly convert grams into molecules. In order to convert grams to moles, you need to find the molecular mass of SO2 - 64.066.

This is because Sulfur has the mass of 32.066 and Oxygen has a mass of 16, but since there are two Oxygen atoms, it's going to be 32.

Your equation should currently appear as so:

2.38g of SO2 = 1 Mole of SO2 / 64.066

Now, you need to convert this to molecules.

Whenever you are searching for molecules without a given amount, you always use Avogadro's number: 6.02 x 10^23

Now, your equation should appear as so:

2.38g SO2 = 1 Mole of SO2 / 64.066 next to a new fraction which is 6.02 x 10^23 / 1 Mole of SO2

Now, multiply across (2.38 x 1 x 6.02 x 10^23). When using Avogadro's number, don't forget to place parenthesis around it.

Then, divide that number by the bottom: 64.066.

Thus, your final answer is that there is 2.63 x 10^22 molecules of SO2.

Don't forget your units!

Hope this helps!

You might be interested in
CH4 + 202 → CO2 + 2H2O<br> How many grams of O2 needed to produce 36 grams of H2O?
Kipish [7]
<h3>Answer:</h3>

64 g O₂

<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>Chemistry</u>

<u>Atomic Structure</u>

  • Reading a Periodic Table

<u>Stoichiometry</u>

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

<u>Step 1: Define</u>

[RxN - Balanced]   CH₄ + 2O₂ → CO₂ + 2H₂O

[Given]   36 g H₂O

[Solve]   x g O₂

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

[RxN] 2 mol O₂ → 2 mol H₂O

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

[PT] Molar Mas of H - 1.01 g/mol

Molar Mass of O₂ - 2(16.00) = 32.00 g/mol

Molar Mass of H₂O - 2(1.01) + 16.00 = 18.02 g/mol

<u>Step 3: Stoichiometry</u>

  1. Set up conversion:                     \displaystyle 36 \ g \ H_2O(\frac{1 \ mol \ H_2O}{18.02 \ g \ H_2O})(\frac{2 \ mol \ O_2}{2 \ mol \  H_2O})(\frac{32.00 \ g \ O_2}{1 \ mol \ O_2})
  2. Divide/Multiply [Cancel Units]:                                                                       \displaystyle 63.929 \ g \ O_2

<u>Step 4: Check</u>

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

63.929 g O₂ ≈ 64 g O₂

8 0
2 years ago
Read 2 more answers
A redox reaction can also be a?
AveGali [126]
Losing eltron is the answer
7 0
3 years ago
Which table correctly identifies the subatomic particle's charge and mass?<br> a<br> b<br> c<br> d
s344n2d4d5 [400]
It’s b that charts say it
8 0
2 years ago
Q5 what's the answer to A?
Snezhnost [94]
The answer is CH3CH2CH2CHO
8 0
3 years ago
What goes in the blank?
Anon25 [30]
Protons goes in the blank. the word can be used for both.
5 0
3 years ago
Other questions:
  • Make a list of silver current industrial uses. Try to include the approximate annual demand if possible. Create a table to displ
    15·2 answers
  • 2Na(s) + Cl2(g) ------ 2NaCl(s)
    9·1 answer
  • Balance the chemical equation. (Blank) N2O3 → (Blank) N2 + (Black) O2
    11·2 answers
  • Water electrolysis of hcl ? Please
    9·1 answer
  • In two or more complete sentences, explain how to balance the combustion equation: ___C5H12 + ___O2 ⟶ ___CO2 + ___H2O
    11·1 answer
  • A plant's growth response to water is called _____.
    15·1 answer
  • The circumference of a circle is  feet. What is the length of the radius of this circle? 
    12·2 answers
  • Which of the following experimental methods cannot be used to measure the rate of a reaction?
    11·2 answers
  • Weathering is a process in the rock cycle. How does weathering contribute to the formation of rocks?
    9·2 answers
  • Explain newton's first law of motion
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!