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
Elis [28]
2 years ago
11

The density of ethanol is 0.788 g/mL. What is the mass of 157 mL of alcohol?

Chemistry
1 answer:
Lina20 [59]2 years ago
6 0

Answer:

<h3>The answer is 123.72 g</h3>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume = 157 mL

density = 0.788 g/mL

We have

mass = 0.788 × 157 = 123.716

We have the final answer as

<h3>123.72 g</h3>

Hope this helps you

You might be interested in
What kind of intermolecular force is between hydrogen sulfide and hydrogen iodide?
RUDIKE [14]
I will have to go with carbon monoxide
8 0
3 years ago
What is carbon made up of?
bixtya [17]

Answer:

Carbon is made up of one type of atom.

Explanation:

Hope this helps!

4 0
2 years ago
Read 2 more answers
Which material is a mixture?<br> 1. water<br> 2. air <br> 3. methane<br> 4. magnesium
skelet666 [1.2K]
Pure air is a mixture of several gases that are invisible and odorless. Consists of 78% nitrogen, 21% oxygen, and less than 1% of argon, carbon dioxide.  
3 0
3 years ago
Read 2 more answers
A 6.1-kg solid sphere, made of metal whose density is 2600 kg/m3, is suspended by a cord. When the sphere is immersed in a liqui
deff fn [24]

Answer:

Density of the liquid = 1470.43 kg/m³

Explanation:

Given:

Mass of solid sphere(m) = 6.1 kg

Density of the metal = 2600 kg/m³

Thus volume of the liquid :

Volume(V)=\frac{Mass(m)}{Density (\rho)}

Volume of the sphere = 6.1 kg/2600 kg/m³ = 0.002346 m³

The volume of water displaced is equal to the volume of sphere (Archimedes' principle)

Volume displaced = 0.002346 m³

Buoyant force =\rho\times gV

Where

\rho is the density of the fluid

g is the acceleration due to gravity

V is the volume displaced

The free body diagram of the sphere is shown in image.

According to image:

mg=\rho\times gV+T

Acceleration due to gravity = 9.81 ms⁻²

Tension force = 26 N

Applying in the equation to find the density of the liquid as:

6.1\times 9.81=\rho\times 9.81\times 0.002346+26

33.841=\rho\times 9.81\times 0.002346

\rho=\frac{33.841}{9.81\times 0.002346}

\rho=1470.43 kgm^3

<u>Thus, the density of the liquid = 1470.43 kg/m³</u>

6 0
3 years ago
PLEASEEEEEEEEEEEE HELPPPPPPPP I BEGGGGG FOR HELPPPPP
Elza [17]

Answer: There are 21.08\times 10^{23} molecules in 63.00 g of H_2O

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 6.023\times 10^{23} of particles.

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}=\frac{63.00g}{18g/mol}=3.5moles

1 mole of H_2O contains =  6.023\times 10^{23} molecules

Thus 3.5 moles of H_2O contains =  \frac{6.023\times 10^{23}}{1}\times 3.5=21.08\times 10^{23} molecules.

There are 21.08\times 10^{23} molecules in 63.00 g of H_2O

3 0
3 years ago
Other questions:
  • What is the pressure of 0.540 mol of an ideal gas at 35.5 L and 223 K?
    6·1 answer
  • If a sample of 0.362 m lithium phosphate contains 0.284 g of lithium, what is the volume of the sample?
    13·2 answers
  • The equilibrium system Co(H2O)62+ + 4Cl– ⇌ CoCl42– + 6H2O is endothermic as written, meaning heat is a reactant for the forward
    13·1 answer
  • Which is a spectator ion in the reaction between NaOH(aq) and H2SO4(aq)?
    15·2 answers
  • Balence chemical equations using coefficients<br><br> __Na + __Cl ------&gt;__NaCl
    5·1 answer
  • What would cause entropy to decrease in a reaction
    10·2 answers
  • The air pressure for a certain tire is 109 kPa. What is this pressure in atmospheres?​
    11·1 answer
  • Calculate the molarity of a KCl solution if 37.3 g of KCl are dissolved in water to give a
    12·1 answer
  • What are the environmental issues from plastics​
    11·2 answers
  • What's the molar mass of Li3p
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!