A sample that contains only FeCO3 and BaCO3 weighs 0.8380 g. When it is dissolved in excess acid, 0.2500 g of carbon dioxide is liberated. What percentage of FeCO3 did the sample contain

b

explanation:

mitosis

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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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  

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