OCR A level Chemistry 2021 Paper 1 (second half) walkthrough

OCR A level Chemistry 2021 Paper 1 (second half) walkthrough

[FBiju]

In general once doing q=mcat, what is the mass of that we use in the equation and also when doing deltaH=-q/n
what do we use for the moles, how do you know what you use as the moles?

[chloe-rosebaron]

Thank you, this video is so helpful :)

[parinithanune]

he forgot to calculate the mass in the last question....