Answer
a) yes
b) no
Work Step by Step
a) 7.5 g+60 g = 67.5 g (correct)
b) 60.5 g + 243 g = 206 g +88 g
303.5 g = 294 g (wrong)
Introductory Chemistry (5th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
032191029X
ISBN 13:
978-0-32191-029-5
Chapter 3 - Matter and Energy - Exercises - Problems - Page 88: 47
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