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