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09-09-2022
Chemistry

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PLEASE HELP ASAP! 2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of potassium oxide (K2O) will be produced?

O 10 grams

O 7 grams*

O 2 grams

O 5 grams

I think it is 7, however could someone confirm please?

Respuesta :

eepvadim eepvadim

09-09-2022

Answer:

7

Explanation:

yeah you just need to add 2 grams of potassium to 5 grams of oxygen

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