Trini adds 10g of baking soda to 100g of vinegar. The mixture begins to bubble. When the bubbling stops, Trini finds the mass of the resulting mixture. She determines that the mass is 105g.
How do you know that a chemical change has occurred?
Mass was destroyed when vinegar reacted with baking soda.
Mass was destroyed when vinegar reacted with baking soda.
The vinegar evaporated during the experiment.
, , The vinegar evaporated during the experiment.
The substances reacted, producing gas.
The substances reacted, producing gas.
Mixtures always have less mass than their parts.
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