Answer:
D. Up-Down
Explanation:
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Answer:
78.9% yield
Explanation:
% Yield = Actual Lab Yield/Theoretical Yield x 100%
= (204.6g)/(256.5g)·100% = 79.8% Yield
<h2>Mass preservation.</h2>
Explanation:
- Mass of the system must remain the same over time, as the system's mass cannot alter according to the law of preservation of mass for any closed system.
Landolt Experiment -
- Landolt was German chemist, He demonstrated the law of preservation of mass experimentally by utilizing H- glass tube filled with silver nitrate in appendage A and HCl corrosive in appendage B.
- The reactants were blended and a white accelerate of Silver chloride was shaped alongside nitric corrosive. The tube is weighed once more.