   Chapter 1, Problem 47RGQ

Chapter
Section
Textbook Problem

When you heat popcorn, it pops because it loses water explosively. Assume a kernel of com, with a mass of 0.125 g, has a mass of only 0.106 g after popping.(a) What percentage of its mass did the kernel lose on popping?(b) Popcorn is sold by the pound in the United States. Using 0.125 g as the average mass of a popcorn kernel, how many kernels are there in a pound of popcorn? (1 lb = 453.6 g)

(a)

Interpretation Introduction

Interpretation: The mass percentage upon popping has to be given.

Concept Introduction:

Mass percentage:

One way of representing the concentration of an element in a compound or a component in a mixture.

Explanation

The mass percentage of the compound is calculated as,

Given:   mass of a kernel corn (m1) = 0.125 g; mass after popping  (m2) = 0.106 gCalculate mass percentage:_Mass <

(b)

Interpretation Introduction

Interpretation: The number of kernels present in pound of popcorn has to be given.

Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started

Find more solutions based on key concepts 