sakurauchiha913
04.02.2021 •
Physics
A chemist performs an experiment in which she varies the surface area of
10-g samples of zinc metal to determine how this will affect the reaction rate
of the zinc when it is mixed with 100 mL of hydrochloric acid. In this
experiment, which is the independent variable?
A. the mass of the zinc
B. the surface area of the zinc
C. the reaction rate of the zinc
D. the volume of the hydrochloric acid
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Ответ:
• reciprocal means an inverse;