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
Gwar [14]
3 years ago
6

A reaction between 1.7 moles of zinc iodide and excess sodium carbonate yields 12.6 grams of zinc carbonate. This is the equatio

n for the reaction: Na2CO3 + ZnI2 → 2NaI + ZnCO3. What is the percent yield of zinc carbonate? The percent yield of zinc carbonate is %.
Chemistry
1 answer:
lorasvet [3.4K]3 years ago
5 1

Answer:- 5.91%

Solution:- The given balanced equation is:

Na_2CO_3+ZnI_2\rightarrow 2NaI+ZnCO_3

From given moles of zinc iodide we calculate the moles of zinc carbonate using mol ratio from the balanced equation and the moles are converted to grams on multiplying by molar mass.

1.7molZnI_2(\frac{1molZnCO_3}{1molZnI_2})

= 1.7molZnCO_3

Molar mass of zinc carbonate is 125.38 gram per mol. Let's multiply the moles by molar mass to get the theoretical yield:

1.7molZnCO_3(\frac{125.38g}{1mol})

= 213.15gZnCO_3

theoretical yield is 213.15 g and the actual yield is given as 12.6 g.

percent yield = (\frac{actual}{theoretical})100

percent yield = (\frac{12.6}{213.15})100

= 5.91%

The percent yield of zinc carbonate is 5.91%.

You might be interested in
These models show the electron structures of two different nonmetal elements. Element 1 at left has a purple circle at center wi
Daniel [21]

Answer:

Element 2

Explanation:

If we look at the model stated for element 1, it is clear that element 1 must be a noble gas. It has eight electrons in its outermost shell this implies that it has already attained a complete octet of electrons and is reluctant towards chemical reaction.

The second element belongs to group 16 since it has six electrons on its outermost shell. It is certainly more reactive than element 1 which is a noble gas.

7 0
3 years ago
Read 2 more answers
A wave with low energy will also have high frequencies and long wavelength. short wavelengths and high frequencies. low frequenc
ch4aika [34]
A wave with low energy will also have long wavelengths and low frequencies.

The given in a single photon of a wave is given by Planck's equation:
E = hc/λ
and
E = hf

Where λ is the wavelength and f is the frequency of the photon. This means that energy is directly proportional to the frequency and inversely proportional to the wavelength. Thus, it is visible that photons with a lower frequency and a longer wavelength will have a lower energy.
8 0
3 years ago
Read 2 more answers
Fill in the blank. The amount which an object accelerates
KATRIN_1 [288]
I think the answer is force
6 0
3 years ago
Lololoslajsiepejhwpa sejwjdalehe
Advocard [28]

Answer:

did not match any documents.

Suggestions:

Make sure all words are spelled correctly.

Try different keywords.

Try more general keywords.

Try fewer keywords.

Explanation:

7 0
3 years ago
How to separate water from aqueous magnesium sulphate?​
Kitty [74]

Answer:

The method generally involves heating a mixture of epsomite and halite to form clusters of lower hydrated magnesium sulfate crystals and subsequently applying slight pressure to the clusters so that they collapse to yield fine, less hydrated magnesium sulfate crystals which can then be easily separated from the ...

3 0
3 years ago
Other questions:
  • How is burning methane similar to burning magnesium?
    13·2 answers
  • Beryllium (Be): 1sC2sD, what's C and D?
    12·2 answers
  • Which of the following causes a solute to dissolve in a solvent?
    14·1 answer
  • Consider the reaction below. Mg(s) + 2HCl(aq) mc019-1.jpg H2(g) + MgCl2(aq) What is the most likely effect of an increase in pre
    13·2 answers
  • QUESTION 4 Which structure is found in all eukaryotic cells? large central vacuole Golgi apparatus flagella cilia
    15·2 answers
  • Which phrase correctly describes a Lewis dot structure for carbon?
    8·2 answers
  • Utherford proposed that atoms have positive nuclei which statement correctly describes the nucleus of an atom?
    5·1 answer
  • 2. Calculate the mass of 5.35 mole of H2O2.
    13·1 answer
  • How do you balance H2+O2 and H2O
    10·1 answer
  • Why the southern hemisphere experiences summer when the northern hemisphere experiences winter.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!