Ascorbic acid (otherwise known as vitamin C ) prevents scurvy and may even help prevent certain

Name: Problem 183, Chapter 9: Introductory Chemistry Atoms First
Uploaded: 2022-04-10T02:39:57-08:00
Duration: 2 min 58 s
Channel: Susan Hallstrom
Description: Ascorbic acid (otherwise known as vitamin C ) prevents scurvy and may even help prevent certain cancers as well as the common cold. It is composed of 40.92 % carbon (C), 4.58 % hydrogen (H), and 54.50 % oxygen (O) by mass. To the right is a ball-and-stick picture of ascorbic acid. What is the actual molecular formula of vitamin C?

step 1 There we go. Sexinic acid, an intermediate in the metabolism of certain foods, has a molecular m

Question

Ascorbic acid (otherwise known as vitamin $\mathrm{C}$ ) prevents scurvy and may even help prevent certain cancers as well as the common cold. It is composed of $40.92 \%$ carbon (C), $4.58 \%$ hydrogen $(\mathrm{H})$, and $54.50 \%$ oxygen (O) by mass. To the right is a ball-and-stick picture of ascorbic acid. What is the actual molecular formula of vitamin C?

   Ascorbic acid (otherwise known as vitamin $\mathrm{C}$ ) prevents scurvy and may even help prevent certain cancers as well as the common cold. It is composed of $40.92 \%$ carbon (C), $4.58 \%$ hydrogen $(\mathrm{H})$, and $54.50 \%$ oxygen (O) by mass. To the right is a ball-and-stick picture of ascorbic acid. What is the actual molecular formula of vitamin C?

Introductory Chemistry Atoms First

Steve Russo; Mike… 5th Edition

Chapter 9, Problem 183

Instant Answer

Solved by Expert Susan Hallstrom

04/10/2022

Step 1

We do this by dividing the mass of the sample by the molar mass of ascorbic acid. \[ \text{Moles of ascorbic acid} = \frac{\text{Mass of ascorbic acid}}{\text{Molar mass of ascorbic acid}} = \frac{1.926 \, \text{g}}{118.1 \, \text{g/mol}} = 0.0163 \, Show more…

Show all steps

Thanks for your feedback!

Ascorbic acid (otherwise known as vitamin $\mathrm{C}$ ) prevents scurvy and may even help prevent certain cancers as well as the common cold. It is composed of $40.92 \%$ carbon (C), $4.58 \%$ hydrogen $(\mathrm{H})$, and $54.50 \%$ oxygen (O) by mass. To the right is a ball-and-stick picture of ascorbic acid. What is the actual molecular formula of vitamin C?

Play audio

Feedback

Susan Hallstrom and 64 other subject Chemistry 101 educators are ready to help you.

Ask a new question

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Molecular Formula Determination

This concept extends the empirical formula by incorporating the actual molecular mass of the compound. Once the empirical formula is known, it is compared with the molecular mass to determine the true number of atoms of each element in the molecule, yielding the molecular formula.

Percent Composition Analysis

This concept involves calculating the percentage by mass of each element in a compound. It is used to understand the relative amounts of each element present, which forms the basis for determining the ratios of elements when deriving empirical formulas.

Empirical Formula Determination

The empirical formula represents the simplest whole-number ratio of the atoms of each element present in a compound. By converting the percent compositions to moles and finding the simplest ratio, one can derive the empirical formula, which is essential for further molecular formula determination.

Please give Ace some feedback