Question

farmers of Punjab and haryana have a practice of stubble burning after harvesting.when the harvesting used to be done manually, the crops were cut from a distance above from the ground.the remaining part need to be burnt to make the field available for next crop.this burning of crops cause a lot of pollution.A student tries to find out the amount of carbon dioxide produce by burning the crop in a lab and calculating the mass difference of before and after burning.the masses were 100gm and 68gm before and after burning respectively...
now the question is....
what was the calculated amount of carbon dioxide ????
1)32gm
2)44gm
3)117.67gm
4)120gm​

Answer 1

Answer:

44gm I think this is write pls Mark me as brainlest

Answer 2

Answer:

1) 32 grams

Follow the law of conservation of mass, which is that mass can't be created nor destroyed.

Hence the lose of mass is the amount of CO2 produced:

100-68 = 32g of CO2 is produced.

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