# chemistry lab

Was the density you determined accurate, taking into account the total instrument uncertainty?

I got 0.778 g/ml
the theoretical value is 0.789 g/ml
the instrumental uncertainty was 0.2%

How do I know if its accurate ??

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1. (.789-.778)/.778=1.4 percent error.

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👤
bobpursley
2. does that mean is accurate?

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4. woow thank you so much

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