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
Sav [38]
3 years ago
7

3. Sodium carbonate (Na2CO3) is formed from the reaction between

Chemistry
2 answers:
user100 [1]3 years ago
8 0

Na2C03 is formed through the reaction of

NaOH and H2CO3 namely sodium hydroxide and carbonic acid

NaOH -> strong base

H2CO3-> weak acid

mr_godi [17]3 years ago
5 0

Answer:

A. a weak acid and a strong base

Explanation:

An acid-base reaction is a chemical reaction between an acid and a base to form salt and water. The reaction is also known as a neutralization reaction.

An acid is a compound that when in aqueous solution it dissociate to form an hydrogen ion(H+).

A base is a compound that when in aqueous solution it produces an hydroxide ion(OH-) .

A strong acid is an acid that completely dissociate in an aqueous solution.

A strong base is a base that completely dissociate in an aqueous solution.

The reaction that produce a salt like sodium carbonate is a chemical reaction between a weak acid and a strong base. The chemical reaction can be represented as follows

H2CO3 + 2NaOH → Na2CO3 + 2H2O

H2CO3 is a weak acid as it partially dissociate in aqueous solution.

NaOH is a strong base as it completely dissociate in aqueous solution.

You might be interested in
The density of pure solid copper is 8.94 g/mL. What volume does 34 g of copper occupy?
patriot [66]

hey there ! :

Density = 8.94 g/mL

mass = 34 g

Volume = ??

Therefore:

D = m / V

8.94 = 34 / V

V = 34 / 8.94

V = 3.803 mL

Hope this helps!

4 0
3 years ago
A 34.0 gram sample of an un-known hydrocarbon is burned in excess oxygen to form 93.5 grams of carbon dioxide and 76.5 grams of
natka813 [3]

Answer:

The answer to your question is  CH₄

Explanation:

Process

1.- Write the possible chemical reaction

                   CxHy + O₂   ⇒    CO₂  +   H₂O

2.- Calculate the amount of carbon in the reaction

Molecular mass of CO₂ = 12 + 32 = 44 g

                         44 g of CO₂ ------------------- 12 g of carbon

                         93.5 g of CO₂ ----------------  x

                          x = (93.5 x 12) / 44

                          x = 25.5 g of carbon

3.- Calculate the mass of hydrogen in the sample

Molecular mass of water = 2 + 16 = 18 g

                         18 g of water -------------   2 g of hydrogen

                          76.5 g of water --------    x g of hydrogen

                           x = (76.5 x 2) / 18

                           x = 8.5 g of hydrogen

4.- Calculate the moles of carbon and hydrogen in the sample

                           12g of carbon ------------- 1 mol

                           25.5g of carbon ---------- x

                             x = (25.5 x 1) / 12

                              x = 2.12 moles of carbon

                            1 g of hydrogen ----------- 1 mol

                            8.5 g of hydrogen -------- x

                             x = (8.5 x 1) / 1

                             x = 8.5 moles of hydrogen

5.- Divide both number of moles by the lowest number

carbon = 2.12 / 2.12 = 1

hydrogen = 2.12 = 8,5 / 2.12 = 4

6.- Write the molecular formula

                                                    CH₄                                        

7 0
3 years ago
Read 2 more answers
Which basic property of a single water molecule accounts for all of its special features, including adhesion and cohesion, its a
svetlana [45]
The property is its polarity (or hydrogen bonds)
7 0
3 years ago
Convert 500 inches to m. <br> 1000mm =1m<br> 1inch = 2.54 cm <br> 10mm=1cm
stira [4]

Answer:

12.7m

Explanation:

FORMULA  

for an approximate result, divide the length value by 39.370078

3 0
3 years ago
A student weighs out a 7.24 g sample of , transfers it to a 300. mL volumetric flask, adds enough water to dissolve it and then
velikii [3]

The molarity of the zinc chloride solution will be 0.089 M

<h3>Molarity</h3>

Mole of 7.24 g ZnCl2 = 7.24/136.286 = 0.5312 mol

Total volume of water used in preparing the solution = 300 + 300 = 600 mL

Molarity of the solution = mole/volume = 0.5312/0.6 = 0.089 M

The molarity of the zinc chloride solution is, therefore, 0.089 M

More on molarity can be found here: brainly.com/question/8732513

#SPJ1

4 0
2 years ago
Other questions:
  • Is it true or false that Science is a collection of facts that does not evolve. We have gained all the knowledge we can from sci
    8·1 answer
  • A rocket is designed to drop its first stage mid-flight. Due to a malfunction, this does not occur. What is a possible result of
    15·2 answers
  • At a certain temperature the speeds of six gaseous molecules in a container are 2.0 m/s, 2.2 m/s, 2.6 m/s, 2.7 m/s, 3.3 m/s, and
    7·2 answers
  • You and your friend live in different states and plant identical hydrangea bulbs in your garden. When they bloom, you send each
    13·2 answers
  • You have a solution of 600 mg of caffeine dissolved in 100 mL of water. The partition coefficient for aqueous caffeine extracted
    12·2 answers
  • The __________ is the part of the solution that is in the greater quantity, and the __________ is the smaller portion of the sol
    9·2 answers
  • What do we call the study of weather? A.forcasting B.meteorology​
    14·1 answer
  • Helpp pleasee.............​
    5·2 answers
  • The distance time graphs for two objects are shown below: look at the picture. Which statement is true? Both objects move at var
    5·1 answer
  • renata developed a hair dye additive that is guaranteed to cover grey hair. she granted the right to use this additive to a majo
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!