The formula weight of CaCO3 is 100.087 ±0.004 g/mol. You are preparing a standard solution of CaCO3 for the water hardness lab and you add a mass of 0.7320 ± 0.0003 g of dried CaCO3 solid to a Class A 500 ml volumetric flask (uncertainty = 0.20 mL) and dilute to the line. The "t 0.004 g/mol" value for the CaCO3 formula weight is an example of: O Implied Uncertainty None of These O Both Implied and Relative are correct O Explicit Uncertainty O Relative Uncertainty

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Chapter1: Chemical Foundations
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The formula weight of CaCO3 is 100.087 ±0.004 g/mol. You are preparing a standard solution of
CaCO3 for the water hardness lab and you add a mass of 0.7320 ± 0.0003 g of dried CaCO3 solid to
a Class A 500 ml volumetric flask (uncertainty = 0.20 mL) and dilute to the line.
The "t 0.004 g/mol" value for the CaCO3 formula weight is an example of:
O Implied Uncertainty
None of These
O Both Implied and Relative are correct
O Explicit Uncertainty
O Relative Uncertainty
Transcribed Image Text:The formula weight of CaCO3 is 100.087 ±0.004 g/mol. You are preparing a standard solution of CaCO3 for the water hardness lab and you add a mass of 0.7320 ± 0.0003 g of dried CaCO3 solid to a Class A 500 ml volumetric flask (uncertainty = 0.20 mL) and dilute to the line. The "t 0.004 g/mol" value for the CaCO3 formula weight is an example of: O Implied Uncertainty None of These O Both Implied and Relative are correct O Explicit Uncertainty O Relative Uncertainty
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