2 FeCl3(aq) + 3 Zn(s) → 3 ZnCl₂(aq) + 2 Fe(s) Calculate the mass of zinc chloride produced when 7.7920 g FeCl3(aq) reacts. Choose the answe with the appropriate significant figures and unit. [Select] Question 5 [Select] [Select] Cu(s) + 2 AgNO3(aq) → 2 Ag(s) + Cu(NO3)2(aq) Calculate the mass of copper needed to react with 5.7120 g AgNO3(aq). Choose the answers wit the appropriate significant figures and unit. 1 [Select]

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.