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- What is a calibration plot or curve?Which one of the statements below does not properly indicate the aspects that should be considered when plotting a calibration curve graph? a. It's crucially important to include the value for a 'blank' sample in the calibration curve. O b. It is important to subtract the blank value from the other standard values before plotting the calibration graph in an analytical work. O c. It should be noted that the calibration curve should always be plotted with the instrument response on the vertical y-axis and the standard concentrations on the horizontal x-axis. d. It is essential that the calibration standards cover the whole range of concentration required in the subsequent analyses.2. Formaldehyde. Qualitative and quantitative analysis.
- AaBbCcDd AaBbCcDd AaBbC AaBbCct AaB AaBbCcD 1 Normal 1 No Spac... Heading 1 Heading 2 Title Subtitle 1 Styles Name HHHHH ||||| H-C-C=C-C-C-H | H || HH Name H H-C-H C=C F -H —H H C 1 B. H H Name H H H H1C C H Η Η Η Η Η Η | | | | | | H-C₁-C₂-C₂-C-C-C-H II HH H H-C-H H -H y Find ✓ Replace Select Editing 14°C Cloudy A Dictate Voice F Foo* The indicator of Moher regent is KCr04. KMN04.Part A) A 10.0 mL sample of 0.250 mol/L NiF2(aq) is mixed with 20.0 mL of 0.0900 mol/L NaOH(aq) and then diluted to a final volume of 100. mL.Calculate the concentration of Ni2+ ions in the 100 mL mixture before the reaction starts. Express your answer to three significant figures.ksp: 5.48e-16
- Draw the major product that is expected in each of the following reactions. 1) Excess Mel 2) Ag20. H20. heat * Draw Your Solution eTextbook and Media MacBook Air 吕0 F9 F4 FS FI & * $ 4 @ # 7 8. 9. 2 3 W E Y S F G H K C V BA student delivers several drops of titrant from their buret, but the drops land on the side of the Erlenmeyer flask. The student ultimately finishes the titration and the drops are still on the side of the flask. How is the % acetic in their determination affected by this error? Briefly, 1 - 2 sentences,Think about the situation where you are investigating the relationship of study time vs. exam grade.a. Which variable would be on the x-axis (and why)?b. Which variable would be on the y-axis (and why)?c. Would you expect the slope to be positive or negative (and Why)? 2) Contrast and compare interpolation with extrapolation. Which is “safer” to use and why?3) Look up how “the best fit straight line” is constructed. The term “Least squares” should be in your explanation.4) If I plot some data and end up with a r2 of (-) 0.99, is my plot useless? Explain.
- Review Homework REQUIRED (NOT Pie Progress) Question 18 of 46 (2 points) | Question Attempt: 1 of Unlimited ✓ 14 15 ✓ 16 17 18 19 20 21 ✓ 22 23 Wine goes bad soon after opening because the ethanol (CH3CH2OH) in it reacts with oxygen gas (02) from the air to form water (H2O) and acetic acid (CH3COOH), the main ingredient of vinegar. What mass of oxygen gas is consumed by the reaction of 2.66 g of ethanol? Round your answer to 3 significant digits. 0%I am still confused with the answer I got, and need a better explantion to the answer.Highest acidity Lowest acidity Answer Bank CH. H- -0-CH3 H3C CH, H3C CH3 H. H H H. H3C CH, H- -CH, H.
