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- Deionized water is added to a 138.0 mL sample of 1.103 M oxalic acid to dilute it to 0.436 M. What volume of water, in mL, was added to dilute the sample? Round answer to correct sig figs.A pipet delivers 10.9 mLmL , 10.1 mLmL , and 10.9 mLmL in consecutive trials. Find the mean volume of the samples. = Answer = 10.6 mL Part B What is the average deviation from the mean for the above samples?answer should be in g/ml
- A pipet delivers 10.9 mLmL , 10.1 mLmL , and 10.9 mLmL in consecutive trials. Find the mean volume of the samples.a student makes 6 replicate readings and wants to calculate 95% confidence interval. which t value should they use?0.070 grams of nickel (II) hydroxide (MM•92.71g/mol) dissolve in 500.00 mL of water at 20.0 Celsius. What is the Ksp for nickel (II) hydroxide? Show all work, give correct sig figs, thank you!
- I got 10? Kindly provide correct explanationI need help with my lab report. I have all the data and just need help placing the data and showing calculations. I attached to pictures to show my data and what I need help with....A. Prepare 100 plates of Mueller Hinton Agar using 100mm petri dish. (Manufacturer's instructions: Suspend 39 g of dehydrated powder in 1 liter of distilled or deionized water.) Pour 25 mL of prepared medium per plate. Express answer to the nearest whole number. How many grams of the dehydrated powder is needed? Answer: What is the volume of distilled water that should be used in the preparation? Answer:
- How many grams of 50 wt% NaOH (FM 40.00) should be diluted to 1.00 L to make 0.10 M NaOH? (Answer with two digits.)A pool is treated with calcium hypochlorite pool shock. If Ca(OCl)subscript2 has 50% available chlorine by mass, what ppm chlorine increase will result from the addition of 5kg of pool shock to a 40x10raised to 3 L swimming pool? I think if I can understand this one I can apply the principles to other practice problems. Thanks so much!Given the Volumetric Analysis of a Natural Gas: CH4 = 67.3% Nitrogen = 9.6% O2 = 2.7% CO = 0.8% C2H6 = 15.4% CO2 = 1.8% H2 = 2.4% Calculate the A/F ratio by mass considering CO = 6.1% CO2. Note: Use four (4) decimal places in your solution and answer.