A solution was made by a 1/8 dilution of the stock solution followed by a 1/4 dilution of the resultant solution. What i
Posted: Fri Jul 15, 2022 5:01 pm
A solution was made by a 1/8 dilution of the stock solution followed by a 1/4 dilution of the resultant solution. What is the dilution of the final solution? 1/2 dilution 1/10 dilution 1/32 dilution 1/12 dilution
Which of the following statements are true about the use of a blank in spectrophotometry? Select all that apply. Select 2 correct answer(s) A blank must be measured prior to measuring your sample. A blank is needed because the spectrophotometer also measures the absorbance of the cuvette and water. A blank must be measured after measuring your sample. A blank is only needed when the concentration of your sample is known. None of the answer choices listed are correct.
Which of the following statements are true about the use of a blank in spectrophotometry? Select all that apply. Select 2 correct answer(s) A blank must be measured prior to measuring your sample. A blank is needed because the spectrophotometer also measures the absorbance of the cuvette and water. A blank must be measured after measuring your sample. A blank is only needed when the concentration of your sample is known. None of the answer choices listed are correct.