Chemistry, 09.10.2019 23:20 scottkayce
Acalibration curve relating absorbance(y) to concentration (x, measured in mol/l) of y= 0.36x-0.011 use the calibration curve to determination of the concentration of a solution with an absorbance of 0.02.
Answers: 3
Chemistry, 23.06.2019 07:20
Which statement explains which component is likely to be more powerful in explaining a scientific phenomenon? a) component c, because a theory is often passed on possibility and not certainty b) component d, because a hypothesis is often based on possibility not certainty c) component c, because the ability to explain several occurrences in the natural world is a characteristic of a hypothesis d) component d, because the ability to explain several occurrences in the natural world is a characteristic of a theory
Answers: 3
Chemistry, 23.06.2019 09:00
How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate according to the following equation:
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Chemistry, 23.06.2019 09:00
The vapor pressure of water at 25.0°c is 23.8 torr. determine the mass of glucose (molar mass = 180 g/mol) needed to add to 500.0 g of water to change the vapor pressure to 22.8 torr.
Answers: 1
Acalibration curve relating absorbance(y) to concentration (x, measured in mol/l) of y= 0.36x-0.011...
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