subject

Chemistry, 20.04.2021 23:00 roudi61

A 3.81-gram sample of NaHCO3 was completely decomposed in an experiment. 2NaHCO3 → Na2CO3 + H2CO3

In this experiment, carbon dioxide and water vapors combine to form H2CO3. After decomposition, the Na2CO3 had a mass of 2.86 grams.

Part A. Determine the mass of the H2CO3 produced.

Part B. Calculate the percentage yield of H2CO3 for the reaction. Show your work or describe the calculation process in detail.

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 17:50

An aqueous solution of potassium hydroxide is standardized by titration with a 0.194 m solution of hydrobromic acid. if 25.2 ml of base are required to neutralize 24.2 ml of the acid, what is the molarity of the potassium hydroxide solution? m potassium hydroxide

Answers: 2

question

Chemistry, 21.06.2019 18:00

What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

Answers: 1

question

Chemistry, 23.06.2019 03:30

In general metals get as you move from left to right across the periodic table.

Answers: 1

question

Chemistry, 23.06.2019 04:10

Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction

Answers: 1

You know the right answer?

A 3.81-gram sample of NaHCO3 was completely decomposed in an experiment. 2NaHCO3 → Na2CO3 + H2CO3<...

Questions

question

History, 31.07.2019 02:00

Read the excerpt from “good country people.” mrs. hopewell, who had divorced her husband long ago, needed someone to walk over the fields with her; a...

question

History, 31.07.2019 02:00

Which of these best describes a primary rationale for the creation of the united nations...

question

Social Studies, 31.07.2019 02:00

What assembly established a tradition of representative government in the english colonies?...

question

Mathematics, 31.07.2019 02:00

Find the geometric mean of 3 and 27...

question

History, 31.07.2019 02:00

How did jackson’s campaign for president progress...

question

Mathematics, 31.07.2019 02:00

(2,3)and (4,9) what’s the rate of change. y-intercept- equation-...

question

Biology, 31.07.2019 02:00

What is the dark, crumbly, highly organic part of soil? humus minerals parent material...

question

Chemistry, 31.07.2019 02:00

The passage refers to solutions as homogeneous mixtures. what is the best definition of a homogeneous mixture? a. a mixture that is uniform throughou...

question

Social Studies, 31.07.2019 02:00

Gergely & watson's contingency detection module is an example of because a. a stage theory; they describe stages in understanding the internal...

question

History, 31.07.2019 02:00

One interesting feature of the u. s. constitution is that it is select one or more: a. one of the longest documents of its type. b. remarkably detail...

question

English, 31.07.2019 02:00

How does knowing kabir's cultural experience us understand his personal philosophy? your answer should be at least 200 words...

question

History, 31.07.2019 02:00

What pronoun best completes this sentence?writing skills made maureen a valuable employee. a. her b. his c. their d. maureen’s...

question

Mathematics, 31.07.2019 02:00

For a while, i've been looking into the discovery of pi. for some i still do not quite grasp it. how was pi discovered and what methods were used to d...

question

Social Studies, 31.07.2019 02:00

Explain how the cuban missile crisis, (1) president kennedy and the us regain respect lost in the bay of pigs invasion. (2) how did the cuban missile...

question

Biology, 31.07.2019 02:00

When a person is frightened what system is most activated sympathetic or parasympathetic nervous system ?...

question

Mathematics, 31.07.2019 02:00

The gades foundation and hbm corporation are eager to donate generously to their favorite charities. the gades foundation donated $250 in the first mo...

question

History, 31.07.2019 02:00

The powers of the federal government are explained in the constitution. decided by the states. protected in the bill of rights. shared by state gover...

question

Computers and Technology, 31.07.2019 02:00

When lisa purchased her house the mortgage lender required homeowners insurance to cover 100% of the loan amount. after many years lisa paid off her m...

question

History, 31.07.2019 02:00

Write a paragraph about the 1760s in the american colonies in which you use these vocabulary words: a. revenue b. resolution c. effigy d. boycott e....

question

Mathematics, 31.07.2019 02:00

(sin^2 a - cos^2 b )/( cos^2 a - cos^2 b ) = cot (a + b) / tan (a - b)...

More questions: Chemistry Another questions

Questions on the website: 13722367