2. A student wishes to find the density of an irregularly shaped rock. He finds the mass to be 12.34
g. He fills a graduated cylinder to the 50.0 mL mark and drops in the rock. The fluid level rises to
54.5 mL. What is the density of the rock? (Show all work, with units, for credit.)
Answers: 1
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The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
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2. A student wishes to find the density of an irregularly shaped rock. He finds the mass to be 12.34...
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