Sodium reacts with chlorine gas to produce sodium chloride (table salt) in the following reaction:

2Na (s) + Cl2 (8) ► 2NaCl (s).

a. How many grams of sodium are required to produce 178.5 g of salt?

b. How many grams of Cl, are needed?

How does the A Hreaction relate to the A He of molecules involved in a reaction? A. A Hreaction = A Hf, reactants B. AHreaction = A Hf, products - AHf, reactants C. A Hreaction = AHf, products D. A Hreaction = A Ht, products + AHf, reactants

Sulfurous acid is a polyprotic acid. Write balanced chemical equations for the sequence of reactions that sulfurous acid can undergo when it's dissolved in water.

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