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ChemistryChemistry
4 June, 19:05

Which of the following chemical equations violates the law of conservation of mass?

A. Ti + 2Cl2 yields TiCl4

B. 2C2H2 + 5O2 yields 4CO2 + 2H2O

C. Li2SO4 + 2Ca (NO3) 2 yields 2LiNO3 + 2CaSO4

D, MgSO4 + 2NaOH yields Mg (OH) 2 + Na2SO4

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Answers (2)
  1. 4 June, 20:03
    0
    The right answer is C, I just took this test, and this is correct
  2. 4 June, 22:18
    0
    Choice C. There is one sulfate group in the reactants but two in the products. Also, there are 4 nitrate groups in the reactants but only two in the products.
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Home » Chemistry » Which of the following chemical equations violates the law of conservation of mass? A. Ti + 2Cl2 yields TiCl4 B. 2C2H2 + 5O2 yields 4CO2 + 2H2O C. Li2SO4 + 2Ca (NO3) 2 yields 2LiNO3 + 2CaSO4 D, MgSO4 + 2NaOH yields Mg (OH) 2 + Na2SO4
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