Practice passage issue (g.chem)

[tncekm]

edit: NM, made a calculation error!

Don't want to possibly spoil the passage for others

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[iA-MD2013]

That looks correct to me...as long as there are no calculation errors. Is this an EK problem?

 

[tncekm]

Just realized I made a calculation error. That explains it. I'm killing myself w/ calc errors. Being pressed for time on my last practice test led to 5 (of 10) wrong questions coming from calculation errors at the very end of the test!