Calculate the standard deviation for the answer of the following mathematical operation. The number between brackets is the standard deviation of the preceding number. 90.0 ( 2.0)/40.0 (2 4.0) 2.25 ( ??)

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Calculate the standard deviation for the answer of the following mathematical operation.
The number between brackets is the standard deviation of the preceding number.
90.0 ( 2.0)/40.0 (2 4.0) 2.25 ( ??)
Transcribed Image Text:Calculate the standard deviation for the answer of the following mathematical operation. The number between brackets is the standard deviation of the preceding number. 90.0 ( 2.0)/40.0 (2 4.0) 2.25 ( ??)
A 0.07 M of HCI solution used to standardized 10.00 mL of NaOH sample, What is the
mass of NaOH if 12.00 mL of HCI needed to change color of bromocresol green indicator
indicator: (molar mass of NAOH = 40 g/mol)
Transcribed Image Text:A 0.07 M of HCI solution used to standardized 10.00 mL of NaOH sample, What is the mass of NaOH if 12.00 mL of HCI needed to change color of bromocresol green indicator indicator: (molar mass of NAOH = 40 g/mol)
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