Which of the following chemical equations violates the law of conservation of mass? (1 point) Li2SO4 + 2Ca(NO3)2 yields 2LiNO3 +
2CaSO4 Ti + 2Cl2 yields TiCl4 2C2H2 + 5O2 yields 4CO2 + 2H2O MgSO4 + 2NaOH yields Mg(OH)2 + Na2SO4
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Answer:
Explanation:
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In this case, according to the described chemical reaction, it is possible to compute the theoretical mass of silver as mass via the 1:2 mole ratio of copper to silver and their atomic mass in the periodic table, in order to perform the following stoichiometric setup:
Next, given the actual yield of 120 g, we compute the percent yield via:
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