Question

Text: Example Significant Figures in Laboratory Work (6 of 6) Test Yourself: Suppose that you used smaller volumetric apparatus to prepare 0.250 M NH solution by diluting 84.6 ± 0.8 μL of 28.0 ± 0.5 wt% NH up to 5.00 ± 0.02 mL. Find the uncertainty in 0.250 M.

Name: text example significant figures in laboratory work 6 of 6 test yourself suppose that you used smaller volumetric apparatus to prepare 0250 m nh solution by diluting 846 08 l of 280 05 wt nh 19851
Uploaded: 2023-08-08T03:16:16-08:00
Duration: 3 min 15 s
Channel: Susan Hallstrom
Description: text example significant figures in laboratory work 6 of 6 test yourself suppose that you used smaller volumetric apparatus to prepare 0250 m nh solution by diluting 846 08 l of 280 05 wt nh 19851

          Text: Example
Significant Figures in Laboratory Work (6 of 6)

Test Yourself:
Suppose that you used smaller volumetric apparatus to prepare 0.250 M NH solution by diluting 84.6 ± 0.8 μL of 28.0 ± 0.5 wt% NH up to 5.00 ± 0.02 mL. Find the uncertainty in 0.250 M.

text example significant figures in laboratory work 6 of 6 test yourself suppose that you used smaller volumetric apparatus to prepare 0250 m nh solution by diluting 846 08 l of 280 05 wt nh 19851

Added by William M.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Susan Hallstrom

08/08/2023

Step 1

To calculate the moles of NH3 used, we need to use the formula: moles = mass / molar mass The molar mass of NH3 is 17.03 g/mol. Given that the mass of NH3 used is 84.6 ± 0.8 μL and the weight percent of NH3 is 28.0 ± 0.5 wt%, we can calculate the mass of NH3 Show more…

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Text: Example Significant Figures in Laboratory Work (6 of 6) Test Yourself: Suppose that you used smaller volumetric apparatus to prepare 0.250 M NH solution by diluting 84.6 ± 0.8 μL of 28.0 ± 0.5 wt% NH up to 5.00 ± 0.02 mL. Find the uncertainty in 0.250 M.