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
PIT_PIT [208]
2 years ago
6

How many moles of aluminum oxide (Al2O3) are in a sample with a mass of 204.0 g? The molar mass of aluminum oxide (Al2O3) is 102

.0 g/mol.
Chemistry
1 answer:
borishaifa [10]2 years ago
4 0

Answer:

2

Explanation:

Because i got it right.

You might be interested in
How many moles in 4.93 x 10E23 atoms of silver?
leva [86]
<h3>Answer:</h3>

0.819 mol Ag

<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>

  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<u>Stoichiometry</u>

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

<u>Step 1: Define</u>

4.93 × 10²³ atoms Ag

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

Avogadro's Number

<u>Step 3: Convert</u>

  1. Set up:                              \displaystyle 4.93 \cdot 10^{23} \ atoms \ Ag(\frac{1 \ mol \ Ag}{6.022 \cdot 10^{23} \ atoms \ Ag})
  2. Divide:                              \displaystyle 0.818665 \ mol \ Ag

<u>Step 4: Check</u>

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

0.818665 mol Ag ≈ 0.819 mol Ag

8 0
2 years ago
Please help will mark you brainiest! Use word bank when answering the question!
zheka24 [161]

Answer:

Blank 1: varying

Blank 2: constant

Explanation:

7 0
3 years ago
Scientists believe that ancient bacteria represents the first evidence of life on Earth. Which of these best describes the proce
almond37 [142]
It's is reproduction in single called organisms
5 0
3 years ago
Read 2 more answers
KMnO4 + KCI + H2SO4<br>MnSO4 + K2S04+ Cl₂ + H₂O​
yKpoI14uk [10]

Answer:

Balancing the equation

2KMnO₂+10KCl+8H₂SO₄⇒2MnSO₄+6K₂SO₄+8H₂O+5Cl₂

7 0
3 years ago
The specific heat of gold is 0.031 calories/gram°C. If 10.0 grams of gold were heated and the temperature of the sample changed
eimsori [14]
The answer is A. 6.2 calories
3 0
3 years ago
Read 2 more answers
Other questions:
  • Which number should be placed in the blank to make the equation balanced? ___ Mg + P4 → 2 Mg3P2
    10·1 answer
  • What is the definition of optical fiber technology?
    11·1 answer
  • A measure of the kinetic energy of particle motion within a substance is _____.
    15·2 answers
  • What properties can you use to identify if a substance is salt, baking soda or cornstarch?
    14·2 answers
  • A pendulum bob at its highest point has a certain amount of potential energy. As it falls, what does the potential energy get tr
    13·1 answer
  • A neutral atom of sodium has 11 protons. Use this information explain the total number of electrons that are in sodium
    6·2 answers
  • Priscilla was building a circuit that used copper wires to connect a battery to a light bulb. As she connected the final wire fr
    5·1 answer
  • 2 pts
    13·1 answer
  • who wants to be my pen pal if you want to know what that is it means a person who writes letters to each other.
    5·2 answers
  • How much energy is released when 150 grams of water vapor condense at 100°C?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!