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
krek1111 [17]
2 years ago
12

When 1.82 moles of HCL reacts with excess MnO2, how many moles of Cl2 form

Chemistry
2 answers:
s2008m [1.1K]2 years ago
5 0

The balanced reaction is:<span>

MnO2(s) + 4HCl(aq) → Cl2(g) + MnCl2(aq) + 2H2O(l)

We are given the amount of hydrochloric acid to be used for the reaction. This will be the starting point for the calculations.

1.82 mol HCl ( 1 mol Cl2 / 4 mol HCl) = 0.46 mol Cl2

<span>Therefore, 0.46 mol of chlorine gas is produced for the reaction of hydrochloric acid and manganese oxide.</span></span>

kakasveta [241]2 years ago
3 0

<u>Answer:</u> 0.455 moles of chlorine gas is formed.

<u>Explanation:</u>

We are given:

Moles of HCl = 1.82 moles

The chemical equation for the reaction of MnO_2 and HCl follows:

MnO_2(s)+4HCl(aq.)\rightarrow Cl_2(g)+MnCl_2(aq.)+2H_2O(l)

By Stoichiometry of the reaction:

If 4 moles of HCl produces 1 mole of chlorine gas

So, 1.82 moles of HCl will produce = \frac{1}{4}\times 1.82=0.455mol of chlorine gas

Hence, 0.455 moles of chlorine gas is formed.

You might be interested in
Ammonia can be produced in the laboratory by heating ammonium chloride
AnnyKZ [126]

Answer:

Mass = 2.89 g

Explanation:

Given data:

Mass of NH₄Cl = 8.939 g

Mass of Ca(OH)₂ = 7.48 g

Mass of ammonia produced = ?

Solution:

2NH₄Cl   +  Ca(OH)₂     →    CaCl₂ + 2NH₃ + 2H₂O

Number of moles of NH₄Cl:

Number of moles = mass/molar mass

Number of moles = 8.939 g / 53.5 g/mol

Number of moles = 0.17 mol

Number of moles of Ca(OH)₂ :

Number of moles = mass/molar mass

Number of moles = 7.48 g / 74.1 g/mol

Number of moles = 0.10 mol

Now we will compare the moles of ammonia with both reactant.

                      NH₄Cl          :          NH₃

                          2              :           2

                         0.17          :          0.17

                   Ca(OH)₂         :          NH₃

                        1                :           2

                    0.10              :          2/1×0.10 = 0.2 mol

Less number of moles of ammonia are produced by ammonium chloride it will act as limiting reactant.

Mass of ammonia:

Mass = number of moles × molar mass

Mass = 0.17 mol × 17 g/mol

Mass = 2.89 g

6 0
2 years ago
ANSWER ASAP!
Rainbow [258]

Answer:

All around you there are chemical reactions taking place. Green plants are photosynthesising, car engines are relying on the reaction between petrol and air and your body is performing many complex reactions. In this chapter we will look at two common types of reactions that can occur in the world around you and in the chemistry laboratory. These two types of reactions are acid-base reactions and redox reactions.

Explanation:

7 0
3 years ago
Read 2 more answers
[HELP PLEASE]How is electronegativity related to covalent bonding and molecular polarity?
Anuta_ua [19.1K]

Answer:

The larger the value of the electronegativity, the greater the atom's strength to attract a bonding pair of electrons. ... Electronegativities give information about what will happen to the bonding pair of electrons when two atoms bond. A bond in which the electron pair is equally shared is called a nonpolar covalent bond.

Explanation:

8 0
3 years ago
Read 2 more answers
Why are sulphur and oxygen in group 6 in terms of electronic configuration
Irina-Kira [14]

Answer: Because sulfur is directly below oxygen in the periodic table, these elements have similar electron configurations. As a result, sulfur forms many compounds that are analogs of oxygen compounds, as shown in the table below. ... O=O. double bonds are much stronger than S=S double bonds.

7 0
3 years ago
You need to heat a solid to a temperature of 250 Celsius. What would be the most appropriate type of glassware to use?
Andrei [34K]
<span>A crucible and cover </span>
3 0
3 years ago
Other questions:
  • When an electron in a 2p orbital of a particular atom makes a transition to the 2s orbital, a photon of approximate wavelength 6
    8·1 answer
  • An unknown compound has a percent composition of 52.10% potassium, 15.8% carbon, and 32.1% oxygen. The molar mass of the compoun
    5·2 answers
  • A sample was prepared by mixing 18. ml of 3.00 x 10^-3 m crystal violet (cv) with 2.00 ml of 0.250 m naoh. calculate the resulti
    12·1 answer
  • Compare and contrast how are predation and parasitism similar how do they differ
    13·1 answer
  • What is the charge of a beta particle?<br><br> 0<br><br> 1–<br><br> 2+<br><br> 4+
    7·2 answers
  • Based upon the mass of baking soda (NaHCO3) and using an excess of HCl in this experiment, you will 1) determine the mass of CO2
    7·2 answers
  • Isra is analyzing the properties of several samples of elements to find out which sample is a metalloid. Which set of properties
    10·2 answers
  • A student the mass of 8 cm3 block of brown sugar to be 12.9 g. What is the density of the brown sugar
    8·1 answer
  • In this molecule, what type of bond is found between the oxygen and hydrogens?
    8·1 answer
  • True or False: Ionic bonding means atoms COMPLETELY GIVE AWAY OR TAKE their electrons from each other. *
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!