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A student performs a spectrophotometric analysis using standard addition calibration and obtains a linear relationship with...

A student performs a spectrophotometric analysis using standard addition calibration and obtains a linear relationship with a slope of 1.00 a.u./ppm and a y-intercept of 0.960 a.u. What is the x-intercept of the regression?

How many grams of ATP are needed to prepare 0.34 L of a 85.0 mM solution? The anhydrous molecular weight of ATP is 478.2 g/mole, the ATP powder being used has 3.0 moles of water and 2.0 moles of Na+ per mole.

chemistry textbook reports that the activity coefficient for hydronium ion H3O+ is 0.933 at 0.005 ionic strength. What would be the activity coefficient of a hydronium ion at an ionic strength of 0.015?

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queen_honey_blossom answered 1 year ago
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