Question

All samples of CO2 contain carbon and oxygen in the mass ratio 3:8 This is in agreement with which law??​

Answer 1

Hey Mate Here Is Ur Answer

This is an agreement with the law of constant proportion.

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Answer 2

The constant proportional law states that all chemical compounds of particular two elements with each other's bonding always contains the same proportional ratio. So, "All samples of CO₂ contain carbon and oxygen in the mass ratio 3:8" is an agreement with the law of constant proportion. It is also termed as the Proust's law or the law of definite composition.