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- 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!Chemistry pls help, I dont understand how this software wants me to enter the answer. its asking lfr the starting amount but its not taking it in the way Im putting itPls help me with the following and make sure its 100% its important asap, thank you sm
- Show ALL calculations pls. Don't reject if you dont know how to answer I need this. a. What are the average values for vph and vmo? Include calculation of net volume and errorsb. What is/are the component/s of the soda ash sample? c. Calculate the percent composition of the component/s. No need to include error propagation, but you still need to apply Significant Figure rules.A mixture of Al2O3(s) and CuO(s) weighing 18.371 mg was heated under H2(g) at 1 0008C to give 17.462 mg of Al2O3(s) 1 Cu(s). The other product is H2O(g). Find wt% Al2O3 in the original mixture.Organic carbon in seawater can be measured by oxidation to CO2 with K2S2O8, followed by gravimetric determina- tion of CO2 trapped by a column of Ascarite. Water weighing 6.234 g produced 2.378 mg of CO2 (FM 44.010). Find ppm carbon in the seawater.
- How to set up for problem 213. The burner gas's composition, as determined by Orsat, is devoid of SO3. true or falseThe water in Fell city also contains 30 μg/L of chloroform (formed in the water treatment plant), 5 μg/L of chlorpyriphos (a persticide), and 10 μg/L of chromium VI. Given the reference doses below, calculate the total hazard quotient. State which compound is the total HQ is acceptable. References doses (all mg/kg.d): 0.01 for chloroform, 0.0003 for chlorpyiphos, and 0.003 for chromium VI. Answer: 0.66
- can you answer, please? the experimental data are Reference: https://www.youtube.com/watch?v=OOXRkycKEOc&feature=youtu.be and https://www.youtube.com/watch?v=3wLJLm0QLpg&feature=youtu.be1) Find out the Volume (dm3) of product at STP when 0.28 M, 200 mL NaOH (aq.) reacts with 250 mL 85% H3PO4 (Sp. G.-1.067). 2) The above reaction has the product Ammonia, which when dissolved in 300 mL water makes an alkaline solution. Find its molarity (M). 3) Please re-calculate the child dose as per the BW of the baby. (Adult dose-750 mg and the BW of the baby is 50 lb (British pound) (1 lb=0.453 Kg).A student performed the experiment described in this module, using 7.00 mL of a 1.8% H2O2 solution with a density of 1.01 g mL-1. The water temperature was 20 ° C, and the barometric pressure in the laboratory was 30.02 in. Hg. After the student immersed the yeast in the peroxide solution, she collected 45.1 mL of O2. (11) Calculate the percent error for the experiment.