Balanced reaction of hydrochloric acid (HCl) with sodium bicarbonate will appear as:
2 HCl (aq) + Na2CO3 (aq) → H2O (l) + CO2 (g) + 2 NaCl (aq)
MM of HCl is 36.46 g/mol
MM of Na2CO3 is 105.99 g/mol
People sometimes use sodium bicarbonate as an antacid to neutralize excess hydrochloric acid in an upset stomach.
What mass of hydrochloric acid (in grams) can 2.5 g of sodium bicarbonate neutralize? (Hint: Begin by writing a balanced equation for the reaction between aqueous sodium bicarbonate and aqueous hydrochloric acid.)
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