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Question 15 (Mandatory) (10 points)
A mass of 0.6539 g of zinc is dissolved in excess hydrochloric acid, according to the
following equation:
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Zn(aq) + 2HCl(aq)
ZnCl2(aq) + H2(g)
How many moles of Clions are formed in the reaction?
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A) 0.1 moles
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B) 0.01 moles
C) 0.002 moles
D) 0.02 moles
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In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i