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
san4es73 [151]
3 years ago
15

What is the pH of a 0.40 M solution of C6H5COOH?

Chemistry
1 answer:
melomori [17]3 years ago
4 0
What are the answer choices?
You might be interested in
What is the molarity of a solution in which 7.1 g of sodium sulfate is dissolved in enough water to make 100. mL of solution?
Sidana [21]

Answer:

0.50 M

Explanation:

Given data

  • Mass of sodium sulfate (solute): 7.1 g
  • Volume of solution: 100 mL

Step 1: Calculate the moles of the solute

The molar mass of sodium sulfate is 142.04 g/mol. The moles corresponding to 7.1 grams of sodium sulfate are:

7.1g \times \frac{1mol}{142.02g} = 0.050mol

Step 2: Convert the volume of solution to liters

We will use the relation 1 L = 1000 mL.

100mL \times \frac{1L}{1000mL} =0.100L

Step 3: Calculate the molarity of the solution

M = \frac{moles\ of\ solute }{liters\ of\ solution} = \frac{0.050mol}{0.100L} =0.50 M

3 0
3 years ago
Read 2 more answers
Do your cells have access to everything they need over the first 4 or 5 hours that you are lost? Yes or No?
77julia77 [94]

Explanation: cell in the body is enclosed by a cell (Plasma) membrane. The cell membrane separates the material outside the cell, extracellular, from the material inside the cell, intracellular. ... All materials within a cell must have access to the cell membrane (the cell's boundary) for the needed exchange

**Answer**: The answer would be Yes I believe

4 0
3 years ago
Suppose you have a sample of table salt (NaCl) that has a mass of 100.0 grams. If
IgorC [24]

Taking into account the definition of molarity, the concentration of the solution is 0.855 \frac{moles}{liter}.

<h3>Definition of molarity</h3>

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

Molarity=\frac{number of moles}{volume}

Molarity is expressed in units \frac{moles}{liter}.

<h3>Molarity of NaCl</h3>

In this case, you have:

  • number of moles of NaCl= 100 grams\frac{1 mole}{58.45 grams} =1.71 moles (being 58.45 g/mole the molar mass of NaCl)
  • volume 2 L

Replacing in the definition of molarity:

Molarity=\frac{1.71 moles}{2 L}

Solving:

Molarity= 0.855 \frac{moles}{liter}

Finally, the concentration of the solution is 0.855 \frac{moles}{liter}.

Learn more about molarity:

<u>brainly.com/question/9324116</u>

<u>brainly.com/question/10608366</u>

<u>brainly.com/question/7429224</u>

5 0
2 years ago
How did Neils Bohr change the model of the atom
kipiarov [429]
Bohr changed the model of the atom by proposing that electrons travelled in circular orbits with specific energy levels.
6 0
3 years ago
Which will ensure laboratory safety during the experiment? Check all that apply.
gtnhenbr [62]

The following will ensure laboratory safety during an experiment;

1) Using tongs to handle a hot beaker: This prevents direct contact with the hot beaker and avoids burns

5) Turning off the hot plate after use: If the hot plate is left on, it could injure anyone who might touch it accidentally

3 0
3 years ago
Read 2 more answers
Other questions:
  • If a certain gas occupies a volume of 20. L when the applied pressure is 10. atm , find the pressure when the gas occupies a vol
    12·1 answer
  • A gas occupies a volume of 750 mL at 101.3 kPa. What pressure (in kPa) is needed to decrease the volume to 250mL?
    7·1 answer
  • In order to participate in a hydrogen bond, a hydrogen atom must be covalently bonded to one of three elements. What are they?
    12·1 answer
  • Why is coal not a mineral?
    5·2 answers
  • If a 2.0 mL of 3.0 M HCl is used to make a 250 mL aqueous solution, what is the molarity of the dilute solution?
    6·2 answers
  • Which statement is true of a chemical change?
    13·1 answer
  • How many miles of NaBr will be produced when 3.33 mol of bromine reacts according to the following equation
    14·1 answer
  • What does the 2 mean in the formula 5Mg3(PO4)2? There are two elements in magnesium phosphate. There are two molecules of magnes
    10·1 answer
  • You weigh out 0.1183 g of a complex salt to analyze for the percentage of cyanide ion in your complex salt. After dissolving the
    5·1 answer
  • En 200 gramos de carburo de potasio ,cuya fórmula química es K4C , Cuántos moles de esa sustancia existen ?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!