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

Author Question: A sample of pure calcium fluoride with a mass of 15.0 g contains 7.70 g of calcium. How much calcium ... (Read 117 times)

codyclark

  • Hero Member
  • *****
  • Posts: 538
on: Feb 15, 2020

Question 1

A sample of pure lithium carbonate contains 18.8% lithium by mass. What is the % lithium by mass in a sample of pure lithium carbonate that has twice the mass of the first sample?
◦ 18.8%
◦ 75.2%
◦ 37.6%
◦ 9.40%

Question 2

A sample of pure calcium fluoride with a mass of 15.0 g contains 7.70 g of calcium. How much calcium is contained in 45.0 g of calcium fluoride?
◦ 2.56 g
◦ 7.70 g
◦ 23.1 g
◦ 15.0 g
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by codyclark on Feb 15, 2020

mbcrismon

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Feb 15, 2020
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


codyclark

  • Member
  • Posts: 538
Reply 2 on: Feb 15, 2020
Great answer, keep it coming :)

flexer1n1

  • Member
  • Posts: 373
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

An “Intermediate-Mass” Black Hole An “Intermediate-Mass” Black Hole
Pure Alexia Pure Alexia
Sample purchase order form. Sample purchase order form.
How to find the average atomic mass of an element How to find the average atomic mass of an element
Consider an aqueous solution of calcium nitrate added to an aqueous solution of sodium ... Consider an aqueous solution of calcium nitrate added to an aqueous solution of sodium ...
Gravitational Force Due to a Distribution of Mass problem 2 Gravitational Force Due to a Distribution of Mass problem 2
Video: Antidiuretic hormone (vasoconstriction, water reabsorption & sweat inhibition)

For a complete list of videos, visit our video library