Answer: .0979 gramsBegin by converting 1.34x1021 molecules into moles using Avogadro’s number. Once this value is obtained, use the molar mass of CO2 to convert to grams. The expression appears as follows, 1.34x1021 molecules x (1 mol / 6.022x1023) x (44.009 grams / 1 mol) = .0979 grams.

PracticeQuiz content is free on an ad-supported model.

Unfortunately, we can't support ad blocker usage because of the impact on our servers. If you'd like to continue, please disable your ad blocker and reload page.

Reload page

Praxis II: Chemistry Exam Prep

Category - Chemistry

Start a Study Session Sign up for Question of the Day

What is the mass in grams of 1.34x1021 molecules of CO₂?

.0979 grams
9.79 grams
.00223 grams
.223 grams
44.0 grams

Explanation

Answer: .0979 grams

Begin by converting 1.34x10²¹molecules into moles using Avogadro’s number. Once this value is obtained, use the molar mass of CO₂to convert to grams. The expression appears as follows, 1.34x10²¹molecules x (1 mol / 6.022x10²³) x (44.009 grams / 1 mol) = .0979 grams.

Previous Next

Was this helpful? Upvote!

Start a Study Session Sign up for Question of the Day

Most popular on PracticeQuiz

219 votes

You are attempting to gather information from a patient, but they are having a hard time trying to communicate since they were hit in the throat by a baseball bat. What is the function of the vocal cords? NREMT Advanced EMT
209 votes

An 8-year-old boy named Albert has a 10-year-old brother named Benny. Benny joins the service at 20 leaving Albert feeling bitter that he no longer has a brother to look up to. After 7 years, Albert is finally ready to make up with Benny who has been out of the service for 5 years. How old is Albert now? GED Exam Prep: Math
186 votes

Using motivation from ‘within’ is called ______________. CPCE Exam Prep
177 votes

The lymphatic system contains four organs: Medical Coding Exam Prep
127 votes

“A set of specialized organizational capabilities for providing value to customers in the form of services” is the official definition of: IT Service Management Foundation Practice Test

Praxis II: Chemistry Exam Prep

Top questions

Related questions

Most popular on PracticeQuiz

Ad-Blocker not supported

Praxis II: Chemistry Exam Prep

Top questions

Related questions

Most popular on PracticeQuiz