Question: Please solve the following problems. Thank you Question 19 (2 points) Calculate the standard deviation for the data below: What is the actual mass (in

Please solve the following problems. Thank you

Question 19 (2 points) Calculate the standard deviation for the data below: What is the actual mass (in grams) of an organic liquid ( d=0.782g/mL) which Fe in an alloy (\%): 0.304,0.339,0.433,0.385,0.380,0.370,0.393 weighed 94.812g in an analytical balance calibrated using standard weights (8.00 g/mL ). [Apply the buoyancy correction, dair=0.0012g/mL ]. Present the answer in Answer: SFee= \% PPresent the answer to three decimal places and no grams (sh with 5.5F and no scientific notation scientific notation; for example 0.222 ) Your Answer: Your Answer: Answer units Answer units Question 20 (2 points) Question 18 (2 points) A 50mL pipet delivers 51.4125g of water weighed against steel mass at 30C. Calculate the relative standard deviation iASD) for the data below: Calculate the volume delivered by this pipet at 30C and 20C. Na in water igpmi: 11.270. 12.330. 10.840, 12.990.13.130, 12.080.11.750 50.7ml and 51.69ml Answer: ASD for the data is = CAnswer to three decimal places, no None of those Vour Amwee: 50.7ml and 50.55ml 51.7ml and 50.7ml Answer 51.7ml and 50.55ml RSD=s/meanxRSD=CV=100s/mean

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