HELP PLS A chemical reaction between an acid and a base that produces water and a salt is known as neutralization. Which of the following chemical equations represents a neutralization reaction? NaCO3 (aq) + CuCl (aq) ® NaCl (aq) + CuCO3 (s)
HBr (aq) ® H+ (aq) + Br- (aq)
NH3 (aq) + HCl (aq) ® NH4Cl (aq)
HNO3 (aq) + KOH (aq) ® KNO3 (aq) + H2O (l)

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature