What coefficient should be used to make the following equation balanced? N₂+O₂-- _NO

How many HCl molecules do you need to balance this equation? Mg + __HCl --- MgCl₂ + H₂

What is the total number of atoms present in 5Na₃PO₄

Balance this equation _Al +_HCl -- _H₂ +_AlCl₃

What are the coefficients that would properly balance this equation? __Ca + __H₂O -- __Ca(OH)₂ + __H₂

What is the right ratio of chemicals for the Balanced Chemical Equation?__CO + __Fe₂O₃-- __Fe + __CO₂

Which number should go in the blank? Mn + _ HNO₃ → Mn(NO₃)₂ + H₂

Is the equation balanced?: 2H₂O + O₂ -- 4MgO + 3Fe

Balance this equation- __P₄ + __O₂ -- __P₂O₃

Balance this equation. _CH₄ + _O₂ -- _CO₂ + _H₂O

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