EBK INTRODUCTORY CHEMISTRY
EBK INTRODUCTORY CHEMISTRY
8th Edition
ISBN: 9780134553153
Author: CORWIN
Publisher: PEARSON CO
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Chapter PSS, Problem 13E
Interpretation Introduction

(a)

Interpretation:

The number of significant digits in 0.5cm is to be stated.

Concept introduction:

All non-zero digits are significant digits. The significant digits are taken by counting the digits from left to right and starting from the first non zero digit. There are two rules that describes the counting of significant digits,

(1) Count the significant digits starting with the first non-zero digit.

(2) In significant digits placeholder zero will not be counted.

Interpretation Introduction

(b)

Interpretation:

The number of significant digits in 1055g is to be stated.

Concept introduction:

All non-zero digits are significant digits. The significant digits are taken by counting the digits from left to right and starting from the first non zero digit. There are two rules that describes the counting of significant digits,

(1) Count the significant digits starting with the first non-zero digit.

(2) In significant digits placeholder zero will not be counted.

Interpretation Introduction

(c)

Interpretation:

The number of significant digits in 1.2×100mL is to be stated.

Concept introduction:

All non-zero digits are significant digits. The significant digits are taken by counting the digits from left to right and starting from the first non zero digit. There are two rules that describes the counting of significant digits,

(1) Count the significant digits starting with the first non-zero digit.

(2) In significant digits placeholder zero will not be counted.

Interpretation Introduction

(d)

Interpretation:

The number of significant digits of 4.50×101s is to be stated.

Concept introduction:

All non-zero digits are significant digits. The significant digits are taken by counting the digits from left to right and starting from the first non zero digit. There are two rules that describes the counting of significant digits,

(1) Count the significant digits starting with the first non-zero digit.

(2) In significant digits placeholder zero will not be counted.

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Chapter PSS Solutions

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