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
tatyana61 [14]
2 years ago
12

Calculate the number of moles in 3.01 x 10²² atoms of calcium.​

Chemistry
1 answer:
Lera25 [3.4K]2 years ago
8 0

Answer:

Using dimensional analysis:

3.01x1022 molecules CO2 x 1 mol CO2/6.02x1023 molecules x 44. g CO2/mole = 2.20 g CO2

Explanation:

You might be interested in
How many grams of carbon monoxide are needed to react with an excess of iron (III) oxide to produce 198.5 grams of iron? Fe2O3(s
erastova [34]

Answer : The grams of carbon monoxide needed are 148.89 g

Solution : Given,

Mass of iron, Fe = 198.5 g

Molar mass of iron, Fe = 56 g/mole

Molar mass of carbon monoxide, CO = 28 g/mole

First we have to calculate the moles of iron, Fe.

\text{ Moles of Fe}=\frac{\text{ Mass of Fe}}{\text{ Molar mass of Fe}}=\frac{198.5g}{56g/mole}=3.545moles

The balanced chemical reaction is,

Fe_2O_3(s)+3CO(g)\rightarrow 3CO_2(g)+2Fe(s)

From the balanced reaction, we conclude that

2 moles of iron produces from the 3 moles of carbon monoxide

3.545 moles of iron produces from the \frac{3}{2}\times 3.545=5.3175 moles of carbon monoxide

Now we have to calculate the mass of carbon monoxide, CO.

\text{ Mass of CO}=\text{ Moles of CO}\times \text{ Molar mass of CO}

\text{ Mass of CO}=(5.3175moles)\times (28g/mole)=148.89g

Therefore, the grams of carbon monoxide needed are 148.89 g

7 0
2 years ago
Write the combustion product of butane in excess<br> oxygen.
Leto [7]

Answer:

The name of the products are CO2 = carbon dioxide and H2O = water. The type of reaction is a combustion reaction.

Explanation:

8 0
3 years ago
Read 2 more answers
Name the solutes that raises the boiling point of water the most.
Butoxors [25]
Non-volatile solutes such as salt raises the boiling point of water. Hope the answer helps! Good luck!
3 0
3 years ago
Please answer a b c :)​
olganol [36]

Answer:

i think the letter b is the answer

Explanation:

sana makatulong

8 0
2 years ago
How do you slow down the motion of a gas particle?
jasenka [17]
I think u turn down the heat not to sure
3 0
3 years ago
Read 2 more answers
Other questions:
  • Carbonic acid, H2CO3, has two acidic hydrogens. A solution containing an unknown concentration of carbonic acid is titrated with
    13·1 answer
  • Why should you never mix unknown chemicals?
    12·1 answer
  • Which rocky planets is the most different to Earth's? Why? mark you as brainlist
    5·2 answers
  • Which of the following compounds would you expect to be ionic?
    13·1 answer
  • Explain archimedic principal with neat sketch ​
    10·1 answer
  • Explain one way the water cycle affects climate. Use complete sentences.
    12·1 answer
  • Un gas ocupa un volumen de 358L a 152°C y 470 mmHg ¿Qué volumen ocupara el gas, si la temperatura aumente a 500 K y 6 atm?
    11·1 answer
  • what must happen first before a change of state can occur (change in mass, change in position, change in volume, or change in en
    11·1 answer
  • Definition of gravity
    6·1 answer
  • An aqueous solution of potassium hydroxide is standardized by titration with a 0.167 M solution of nitric acid. If 16.6 mL of ba
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!