
Interpretation : The number of students that experiment is there is a 570-cm length of magnesium ribbon available is to be calculated.
Concept Introduction : An equivalent measurement ratio is referred to as a conversion factor. An effective approach for resolving conversion problems where measurement in one unit is changed to an equivalent measurement in another is dimensional analysis.

Answer to Problem 38SP
The number of students that experiment is
Explanation of Solution
Given information:
Each student uses an 8.5-cm length of magnesium ribbon.
The length of the magnesium ribbon is 570 cm.
To calculate the number of students that experiments, divide the length of the magnesium ribbon by each student’s length of the magnesium ribbon.
Chapter 3 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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