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
Sophie [7]
3 years ago
10

*Will give Brainliest* What is the average atomic mass of one molecule of methane, which has one 12C atom and four 1H atoms?

Chemistry
1 answer:
Nesterboy [21]3 years ago
5 0

Answer:

The atomic mass of methane (CH4)is 12 amu for the carbon plus 4 x 1 amu for the four hydrogens, for a total of 16 amu. Therefore, the molar mass of methane is 16g.

You might be interested in
Which of these is a mechanism that could lead to a climate tipping point?
LuckyWell [14K]

Answer:

all  th eabove i had this pls give brainliest i got this correct of of edmentum

Explanation:

5 0
3 years ago
Ms. Pitt set up a classroom demonstration to show what happens when a sample of zinc metal is add a.ed to a flask containing hyd
Nikolay [14]

Answer:

volume of HCl remains the same

7 0
2 years ago
Read 2 more answers
Which squirrel do you think is better suited for the environment, the gray one or the white one? and why
boyakko [2]

Answer:

The grey squirrel.

Explanation:

This is your answer because the white one would have a harder time to blend in with the tree's and the environment, whilst the grey one is better suited for its environment better due to the fact that it can blend in with the trees, and hide better.

3 0
3 years ago
A chemist has to prepare 250.0 mL of a 0.300 M Na2SO4(aq) solution. What mass, in grams, of sodium sulfate (formula mass 142.05
Sedbober [7]

The mass of sodium sulphate, Na₂SO₄, required to prepare the solution is 10.65 g

<h3>How to determine the mole of sodium sulphate Na₂SO₄</h3>
  • Volume = 250 mL = 250 / 1000 = 0.25 L
  • Molarity = 0.3 M
  • Mole of Na₂SO₄ =?

Mole = Molarity x Volume

Mole of Na₂SO₄ = 0.3 × 0.25

Mole of Na₂SO₄ = 0.075 mole

<h3>How to determine the mass of sodium sulphate Na₂SO₄</h3>
  • Molar mass of Na₂SO₄ = 142.05 g/mol
  • Mole of Na₂SO₄ = 0.075 mole
  • Mass of Na₂SO₄ =?

Mass = mole × molar mass

Mass of Na₂SO₄ = 0.075 × 142.05

Mass of Na₂SO₄ = 10.65 g

Thus, 10.65 g of Na₂SO₄ is needed to prepare the solution.

Learn more about molarity:

brainly.com/question/15370276

6 0
2 years ago
Step 3: Measure the Reaction Rate at 40°C
Anit [1.1K]

Answer: Temperature of the water is 40

Reaction time: 26.3

Explanation: literally just press the tongs in the workslide!

8 0
4 years ago
Other questions:
  • What is 7.09x10 to the 5 minus 6.10xto the 4 in scientific notation
    6·1 answer
  • What is the percent CdSO4 by mass in a 1.00 m aqueous CdSO4 solution?
    5·1 answer
  • Which elements usually lose their valence electrons when they bond
    9·2 answers
  • The density of an unknown gas is found to be 3.44 g/l at standard temperature and pressure (stp). what is the molar mass of this
    14·1 answer
  • A 540 mL sample of a 0.100 M formate buffer, pH 3.75, is treated with 9 mL of 1.00 M KOH. What is the pH following this addition
    9·1 answer
  • What is another example of Newton’s first law?
    6·1 answer
  • An alloy is a mixture of metals. Suppose that a certain alloy is made by mixing 50 grams of an alloy that contains 52% copper wi
    5·1 answer
  • What is the potential energy of a rock with a mass of 10 kg while sitting on a cliff that is 15 m high
    7·1 answer
  • If you help me, you are the best​
    15·1 answer
  • Which situation is the best example of regulation in an economic system?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!