In an experiment, mixing baking soda and vinegar produced a combination of salty water and carbon dioxide shown in the following graph. What is the combined mass of the baking soda and vinegar before mixing? 45 grams
55 grams
35 grams
450 grams

If 4.8 moles of x and 3.4 moles of y react according to the reaction below, how many moles of the excess reactant will be left over at the end of the reaction? 3x + 2y “yields”/ x3y2. a. 1.7 mol y left over b. 1.6 mol x left over c. 0.2 mol y left over d. 0.1 mol x left over