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
Oksanka [162]
3 years ago
12

Calculate the number of grams of 02, produced when 43 grams of potassium chlorate decomposes.

Chemistry
1 answer:
Dafna11 [192]3 years ago
4 0

Mass O2 = = 16.832 g

<h3>Further explanation</h3>

Given

43 grams of potassium chlorate

Required

Mass of O2

Solution

Reaction

2KClO3 ⇒3O2 + 2KCl

Mol KClO3 :

= mass : MW

= 43 g : 122,55 g/mol

= 0.3509

From the equation, mol O2 :

= 3/2 x moles KClO3

= 3/2 x 0.3509

= 0.526

Mass O2 :

= 0.526 x 32 g/mol

= 16.832 g

You might be interested in
HELP PLEASEEEEEEEE HELPPPPPPP (IMAGE)
lapo4ka [179]
1. Liquid
2. Gas
3. Solid
5 0
3 years ago
What mass of water (in grams) is produced by the reaction of 23.0 g of SiO2?
nikitadnepr [17]

The mass of water produced by the reaction of the 23 g of SiO_2  is 13.8 g.

The given chemical reaction;

4Hf (g)  \ + \ SiO_2 (s) \ --> \ SiF_4(g) \ + \ 2H_2O(l)

In the given compound above, we can deduce the following;

  • molecular mass of SiO_2 = 28 + (2 x 16) = 60 g
  • molecular mass of 2H_2O = 2(18) = 36 g

60 g of SiO_2  --------- 36 g of water

23 g of SiO_2  ------------- ? of water

mass \ of \ water = \frac{23 \times 36}{60} = 13.8 \ g \ of \ water

Thus, the mass of water produced by the reaction of the 23 g of SiO_2  is 13.8 g.

  • <em>"Your question is not complete, it seems to be missing the following information";</em>

In the reaction of the given compound, 4Hf (g)  \ + \ SiO_2 (s) \ --> \ SiF_4(g) \ + \ 2H_2O(l), what mass of water (in grams) is produced by the reaction of 23.0 g of SiO2?

Learn more here:brainly.com/question/13644576

5 0
2 years ago
HELP PLEASE I WILL GIVE 100 PONTS
pochemuha

Answer:

boiling point

Explanation:

5 0
3 years ago
Read 2 more answers
Describe the capillary action in acetone compared to water
lakkis [162]
Capillary action is defined as the ability of a liquid to go up a narrow space without the help or opposition of external forces. One of the most important factors affecting capillary action is the intermolecular forces within a substance. The higher the IMF, the greater the capillary action. The H-bonding in water gives it greater IMF than acetone, so water has greater capillary action.
6 0
3 years ago
Read 2 more answers
Which structure in a plant is at the same level of organization as a heart in an animal?
Kazeer [188]
The Mitocondria is the powerhouse of the cells in plants
4 0
3 years ago
Read 2 more answers
Other questions:
  • Which member of the following pairs has the larger London dispersion forces?
    13·1 answer
  • which of the following correctly shows a prefix used in naming a binary molecular compound along with its corresponding number?
    8·2 answers
  • There is nothing that you can do to conserve energy. True or False
    12·2 answers
  • You determine that it takes 26.0 mL of base to neutralize a sample of your unknown acid solution. The pH of the solution was 7.8
    6·1 answer
  • (1.8 x 10-2) ÷ (9 x 102) =
    9·2 answers
  • Determine the number of moles of the compound and determine the number of each type of atom in each of
    11·2 answers
  • Phytoplankton are microscopic photosynthesizing organisms that typically live in the upper layers of the ocean. What trophic lev
    14·1 answer
  • A 10.0 mL sample of 0.75 M CH3CH2COOH(aq) is titrated with 0.30 M NaOH(aq) (adding NaOH to CH3CH2COOH). Determine which region o
    15·1 answer
  • What is a meteorite?
    8·1 answer
  • Does wind speed affect evaporation? How?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!