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
grigory [225]
3 years ago
14

What mass of carbon is present in 0.500 mol of sucrose?

Chemistry
2 answers:
Vilka [71]3 years ago
5 0

Answer:

There are 72 g of carbon in 0.500 mol of sucrose.

Explanation:

The sucrose molecule has the formul C₁₂H₂₂O₁₁.

Each molecule of sucrose has 12 atoms of carbon.

Each carbon atom weights 12 a.u.

Each mole of sucrose weights 342.30 g.

Each mole of carbon weights 12 g.

12 carbons weight 144 g.

Therefore, the weight percentage of carbon in each mole of sucrose is:

%C = 144/342.30 x 100%

%C = 42.1%

0.500 mol of sucrose weights 342.30 g/2 = 171.15 g.

42.1% x 171.15 g = 72 g

AlexFokin [52]3 years ago
3 0
C12H22O11
12×12×0.5=72
You might be interested in
A tank of 0.1m3 volume contains air at 25∘C and 101.33 kPa. The tank is connected to a compressed-air line which supplies air at
Dmitriy789 [7]

Answer:

Amount of Energy = 23,467.9278J

Explanation:

Given

Cv = 5/2R

Cp = 7/2R wjere R = Boltzmann constant = 8.314

The energy balance in the tank is given as

∆U = Q + W

According to the first law of thermodynamics

In the question, it can be observed that the volume of the reactor is unaltered

So, dV = W = 0.

The Internal energy to keep the tank's constant temperature is given as

∆U = Cv((45°C) - (25°C))

∆U = Cv((45 + 273) - (25 + 273))

∆U = Cv(20)

∆U = 5/2 * 8.314 * 20

∆U = 415.7 J/mol

Before calculating the heat loss of the tank, we must first calculate the amount of moles of gas that entered the tank where P1 = 101.33 kPa

The Initial mole is calculated as

(P * V)/(R * T)

Where P = P1 = 101.33kPa = 101330Pa

V = Volume of Tank = 0.1m³

R = 8.314J/molK

T = Initial Temperature = 25 + 273 = 298K

So, n = (101330 * 0.1)/(8.314*298)

n = 4.089891232222

n = 4.089

Then we Calculate the final moles at P2 = 1500kPa = 1500000Pa

V = Volume of Tank = 0.1m³

R = 8.314J/molK

T = Initial Temperature = 25 + 273 = 298K

n = (1500000 * 0.1)/(8.314*298)

n = 60.54314465936812

n = 60.543

So, tue moles that entered the tank is ∆n

∆n = 60.543 - 4.089

∆n = 56.454

Amount of Energy is then calculated as:(∆n)(U)

Q = 415.7 * 56.454

Q = 23,467.9278J

3 0
2 years ago
Which of these is a compound??
koban [17]
Potassium ......................
6 0
3 years ago
Read 2 more answers
How many electrons can occupy the 4p sublevel of a neutral atom of bromine
VMariaS [17]

Answer:

6

Explanation

every p sublevel holds up to 6 electrons

so the 4p sublevel  must hold up to 6 electonsr

4 0
2 years ago
Light energy travels in the form of
bezimeni [28]
B. Electromagnetic waves
6 0
3 years ago
Read 2 more answers
What mass of cu(s)cu(s) is electroplated by running 14. 5 aa of current through a cu2 (aq)cu2 (aq) solution for 4. 00 hh?
galina1969 [7]

The mass of Copper electroplated is 68.76 g

<h3>What is electroplating?</h3>

The process of plating a metal onto another is known as electroplating.

It is often used to prevent corrosion of metal or for the decorative purposes

In this process, electric current is passed through an aqueous solution containing dissolved cations.

The dissolved cations are reduced developing a thin metal coating on the electrode.

At cathode,

Cu^{2+}(aq) + 2e^-\rightarrow      Cu(s)

Current, I = 14.5 A

Time, t = 4 hrs = 4×60×60 = 14400 sec

Charge, q = It = 14.5×14400= 208800 C

Copper metal deposited by 2×96487 C = 63.55 g

Copper metal deposited by 208800 C = \frac{63.55 \times208800}{2\times96487}

                                                         = 68.76g

Hence, The mass of Copper electroplated is 68.76 g

Learn more about electroplating:

brainly.com/question/22104403

#SPJ4

4 0
1 year ago
Read 2 more answers
Other questions:
  • What do diamonds , the lead in pencils and coal have in common?
    6·1 answer
  • Consider the following electronegativity values:
    8·1 answer
  • What is the net ionic equation of
    13·1 answer
  • How many gallons of propane in a 20-pound tank?
    12·1 answer
  • What trend in atomic radius occurs down a group on the periodic table? What causes the trend?
    7·1 answer
  • Helium and air are contained in a conduit 7 mm in diameter and 0.08 m long at 44 deg C and 1 atm. The partial pressure of helium
    15·1 answer
  • How many moles are in 100 g of K3PO4 ?
    9·1 answer
  • The questions are attached​
    9·1 answer
  • Reaction of Nitrile with Grignard Grignard reagents react with nitriles to give an intermediate imine anion that is hydrolyzed b
    12·1 answer
  • 1. How is energy being used inefficiently?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!