Sulfur dioxide reacts with oxygen gas to form sulfur trioxide. What mass of sulfur dioxide was used up in the reaction with an excess of oxygen gas if 12.4 g of sulfur trioxide is formed?

2b2t

explanation:

2b2t

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them