This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A compound is found to have the following percent composition by mass: 38.7% K, 13.8% N, 47.5% O. ... (Read 35 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 8, 2021

Question 1

A compound has the following percentage composition, by weight: 22.0% Cu, 12.9% Fe, 16.6% C, 19.4% N, and 29.1% H2O. Write a plausible (empirical) formula for this hydrate.
◦ CuFe(CN)4∙ 4 H2O
◦ CuF(CN)4∙ 5 H2O
◦ Cu3Fe2(CN)12∙ 14 H2O
◦ CuF(CN)4
◦ Cu3Fe2(CN)12

Question 2

A compound is found to have the following percent composition by mass: 38.7% K, 13.8% N, 47.5% O. What is the empirical formula of the compound?
◦ KNO3
◦ KNO2
◦ K2NO2
◦ K2NO3
◦ K2N2O3
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by mia on Jul 8, 2021

bassamabas

  • Sr. Member
  • ****
  • Posts: 294
Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


mia

  • Member
  • Posts: 564
Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Wombat scat, found near Cradle Mountain in Tasmania Wombat scat, found near Cradle Mountain in Tasmania
A Mass-Loss Star A Mass-Loss Star
Types of kidney stones found in an adult. Types of kidney stones found in an adult.
Composition of the Atmosphere Composition of the Atmosphere
Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness
Genetic biology an composition photo Genetic biology an composition photo
Video: Protein Secondary and Tertiary Structures - Animation

For a complete list of videos, visit our video library