Write what you do in the lab step by step. Using a 10-mL graduated cylinder, measure the following volumes of water 3 different times:a. 6.0 mL- 1) 6.1 mL, 2) 6.2 mL, and 3) 6.0 mLb. 70.0 mL (note: you will have to refill the graduated cylinder 7 times to obtainthe 70.0 mL)- 1)68.0 mL, 2)69.9 mL, 3) 71.5 mLRepeat parts a and b using a 100-mL graduated cylinder. Part a) 1) 6.9 mL, 6.1 mL, 3) 5.9 mL and Part b) 1)70.0 mL, 2)71.0 mL, 3)69.0Required Calculations:- Determine the percent error for each volume. Include glassware used, chemicals used, amounts of chemicals used, concentrations ofchemicals, etc.

PART 3 A Volumetric Flask + A С — ALI50 SOA A 50-mL volumetric flask measures a volume of 50.00 mL. In this experiment, we want to show that this is true. 50.00 mL is the actual volume measured by this volumetric flask. EXPERIMENT: The mass of an empty volumetric flask is measured. Then water is added to the volumetric flask and the meniscus is adjusted to be at the correct level. Then the mass of the volumetric flask and the water is measured. Finally, the temperature of the water in the volumetric flask is measured. RESULTS: Mass of empty volumetric flask = 37.04 g Mass of volumetric flask and water = 86.83 g Temperature of the water in the volumetric flask = 23°C 4 Densities of water at different temperatures: Density of Water at Different Temperatures (g/cm) Temp, °C Density Temp, °C Density Temp, °C Density 18 0.99862 21 0.99802 24 0.99733 19 0.99844 22 0.99780 25 0.99708 20 0.99823 23 0.99757 26 0.99681 (a) Using the mass of the water measured and the density of the water,…

3. While determining the volume during this experiment (Part II), if the total volume of the flask were incorrectly reported as 125 mL, how would this error affect the calculated molar mass of the unknown volatile liquid? Explain. MacBook Air 80 DII F3 F4 F5 F6 F7 F8 F9 F10 & * 4 5 6 7 8 R Y * 00

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Solution 1 is diluted by combining 6 mL of Solution 1 with 64 mL of Solution 2. What is the dilution of solution 1?   Report your answer in standard decimal notation rounded to two decimal places. For example, 4 mL added to 16 mL would be a 0.20 dilution. Include trailing zeros if necessary so your answer has two decimal places.

If a water sample has 0.07 mol of calcium ions in 15 L solution, what is the water hardness level in mg/L? Pay attention to the unit. Hint: For the calcium mass , convert mol to g to mg. (1 mol calcium ion= 40.08 g/mol and 1 g = 1000 mg) Round and report your answer to an integer without decimal place. Report numeric value only, no unit. • Water hardness levels according to EPA Soft: 0-60 milligrams per liter (mg/L) as calcium carbonate Moderately hard: 61-120 mg/L as calcium carbonate • Hard: 121-180 mg/L as calcium carbonate Very hard: more than 180 mg/L as calcium carbonate

PART III.3 Using the information obtained in Part III, complete the following table. Assume the density of water at 21 °C is 0.9980 g/mL. Mass of unknown (g) Volume of water in unknown solution (mL) Mass of water in unknown solution (g) Unrounded 3 Rounded 0.900 10.00 3

Is distillation a good method for separating a mixture of water and hexane?  Why or why not?

A chemistry student weighs out 0.0684 g of hypochlorous acid (HCIO) into a 250. mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1700M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the equivalence point. Be sure your answer has the correct number of significant digits. ml. X

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