Q: Match the pollutant(s) in Column I with the effect(s) in Column II. Column I Column II (1) Oxides of…
A: The low concentration of oxides of sulphur is toxic to human beings. It causes respiratory diseases…
Q: -> Chem101 A neutral solution of water at a particular temperature has a concentration of OH- of 7.5…
A: The question is based on the concept of equilibrium. we have been given concentration of hydroxide…
Q: STARTING AMOUNT X What is the mass in grams of NaCN in 120.0 mL of a 2.40 x 105 M solution? ADD…
A: Given:Volume = 120.0 mL = 0.120 LConcentration = 2.40 × 10-5 M (mol/L)Molar mass of NaCN = 49.01…
Q: Name two pieces of equipment which we should use to add a substance into a volumetric flask?
A: In a volumetric analysis we uses various glassware like burete, pippet, measuring cylinder, beaker,…
Q: a table
A: So , the table is given bellow where we described how much of the…
Q: solution
A: Dear student I have given answer to your question in the image format.
Q: if you are making a set of standards from a 10.0mg/L standard, show the calculation and explain how…
A: Solution stoichiometry involves the calculation of concentration of solutions in the given…
Q: . What type of dilution does each tube represent? - Please place the dilution factor under each tube…
A: •Here given=>
Q: For the following reaction: H₂CO3 +2 NaOH → Na₂CO3 + 2 H₂O → Calculate the normality of a solution…
A:
Q: Why is NaOH(s) to be taken out and weighed only when you are ready to make measurements? Group of…
A: Concept: NaOH is hygroscopic in nature. It easily absorbs moisture from the air.
Q: Determine the amount in grams of KCI that exists in 20.3 g of a solution that contains 1.14% KCI by…
A: Explanation Mass percent There are different ways of expressing the concentration of a solution by…
Q: What is 12.235g/1.01mL
A: We are given: 12.235g/1.01mL
Q: POSTLAB QUESTI 1. If you were given would do to pro each test.
A:
Q: O a. High concentration of Methane (CH4) in the area + impact of two hard metals which can cau spark…
A: We have to choose correct option
Q: 13. A 800.0 L sample of drinking water is found to contain 2.00 mg of arsenic. What is the…
A:
Q: How is acid rain neutralized in nature? Question 6 options: Magnesium found in soil…
A: Acid rain is acidic in nature and it is harmful for animals and plants.
Q: 1-What do you already do to use less water and pollute water less? 2/Are there any DIFFERENT, new…
A: Water is an utmost necessity of human life without which our existence is questionable. Thus, the…
Q: 1. 0.5 liters of saltwater having a chloride concentration of 27,500 mg/L is added to 10 liters of…
A:
Q: After-Class Activity End-of-Chapter Problems Chapter 1 Q1. A particular flask has a mass of 22.3529…
A:
Q: Complete the tables Direction: Write your answer in a clean and sheet of paper. 1 Na₂S + HCI NaCl +…
A: Here we are required to balance the reaction
Q: A patient's blood pressure read as 130/85 mm Hg. Express both numbers in terms of pounds per square…
A: A patient's blood pressure read as 130/85 mm Hg. 760 mm/Hg = 14.7 psi
Q: Table 2-Initial Molarity Transfer the initial moles calculate in table 1 to the appropriate column…
A: Using the table 1, we have the initial moles of all the species. Hence taking the initial moles of…
Q: 03–
A: The clean Air Act requires EPA to set national ambient air quality standards (NAAQS) for nitrogen…
Q: If you have 155 mL solution of a 0.762 M FeCb solution, how many g FeCb are contained in this…
A:
Q: 1. A sample of water from a local river is collected for testing. There are three possible…
A: The solubility of salts in water is a fundamental topic that underpins qualitative analysis in…
Q: What three strategies that can be used to protect coral reefs from pollution?
A: Three strategies that can be used to protect coral reefs from pollution is -
Q: What is the concentration of acetylene (in units of grams per liter) dissolved in water at 25°C,…
A: Given, Partial pressure of the solution = 0.266 atm K for C2H2 = 4.1x10-2 mol/L.atm We have to…
Q: Given the chart below for the prepared solution.?What would be the final reading and total volume of…
A: The total volume of the solution is equal to the volume of the solute and the volume of the solvent.…
Q: An action will release carbon tetrachloride to the atmosphere resulting in an air concentration at…
A: Given:- An action will release carbon tetrachloride to the atmosphere resulting in an air…
Q: In the laboratory, a student dilutes 17.8 mL of a 9.01 M hydroiodic acid solution to a total volume…
A:
Q: For
A: We will calculate mole of HBr
Q: n order to form Ba(IO3)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NaIO3. Ksp=…
A:
Q: [Review Topics] [References] Use the References to access important values if needed for this…
A: The molarity of a solution is the number of moles of solute dissolved per liter of the…
Q: r Ali is currently taking Mucogel suspension at a daily dose of 10 ml after her three meals and…
A: Given : Daily dose of mucogel = 10 ml after three meals and bedtime magnesium hydroxide = 195 mg…
Q: 1. What type of dilution is this? 2. Please place the dilution factor under each tube 3. Which is…
A: Dilution is the process of lowering a solution's solute concentration by adding a solvent. To…
Q: You have a 1:5 dilution. Describe how you would make a 1:100 dilution.
A: We have a dilution of = 1 : 5 We have to make a dilution of = 1 : 100
Q: 3. 8.0 mL of HC1 was added into a 10.0 mL graduated cylinder and weighed on a centigram balance.…
A: When 8.0 mL of HCl was added to 10.0 mL graduated cylinder and weighted on a centigram balance. On…
Q: Question 45
A: The energy involved in motion of an object is said to be Kinetic energy. Molecules present in a…
Q: A stock solution has a concentration of 14.5 g/L. A 3.625 g/L solution is required. If you use a…
A: Dilution of the solution: When we dilute a concentrated solution with pure water, the amount of…
Q: a. Convert 15 ppb to units of percent by mass (density is 1.00 g/mL) b. Protective layer can form…
A: We will convert ppb to percent and solve the question.
Q: Volume HCl (mL) 25.00 а. 0.00 b. Initial buret reading (mL) 25.40 c. Final buret reading (mL) 25.40…
A: Equation NaOH(aq) + HCl (aq) ——> NaCl (aq) + H2O(l) Molarity = no. of moles / volume (Lt)
Q: Calculate the mass in grams of NaOH required to make up a 0.855 M aqueous solution in a 1000.0 mL…
A:
Q: of each.
A: 1) Categories of contaminant: There are three types of contaminant and its examples, Physical- This…
Q: Data molarity of the NaOH solution, M initial buret reading, mL final buret reading, mL volume of…
A: This is an example of acid-base titration . In this reaction acetic acid, CH3COOH is a weak acid…
Q: > Question 2 Calculate the number of moles of H₂O2 in 21.43 mL of 3% H₂O2. Assume that the density…
A:
Q: how to I convert 10mg/L (10ppm) of nitrate (NO3-) to molar mass of nitrate?
A: 1 ppm=1 mg/L (Given) 10 ppm=10 mg/L = 10 * 10(-3) g/L = .01 g/L At NTP, 1mol = 22.4L => 1L =…
help question 10
Step by step
Solved in 2 steps with 3 images
- View Assessment ← C Pri Ter Acc X 13 minutes remaining Question 1 blackboard.matc.edu/ultra/courses/_525703_1/outline/assessment/_1556 Blank 1 X Blank 2 Blank 3 All answers must have the correct units. Watch your significant digits! A 55.0 g sample of sugar (C12H22011) is dissolved in 170. g of water. a. What is the mass of the solute? Blank 1 g b. What is the mass of the solvent? Blank 2 g c. What is the mass of the solution? Blank 3 g d. What is the percentage by mass of this solution? (% m/m) Blank 4 % Blank 4 Add your answer Add your answer Add your answer Add your answer Courses Last saved 12:59:40 PM X Questions Filter (6) ▼ + K First < Previous NextRates of a Reaction 0.10 0.08 0.05 0.03 0.00 10 20 30 40 t (min) - A C D Concentration (M)1. A series of BOD tests was run at three different dilutions. The results are shown on the table. What are the individual BOD’s? Bottle D Initial DO, mg/L Final DO, mg/L BOD, mg/L 1 100 10.0 2.5 2 200 10.0 6.0 3 400 10.0 7.5
- You are asked to prepare a 1.000 L solution of 4.5 M you commit a user error while preparing this solution. Assumed volume Volumetric error Preparation details Added water 2.0 cm above the line, which corresponds to 8.2 mL (0.0082 L) additional solution volume C6H12O6 (glucose; molar mass = 180.16 g/mol) in a lab by dissolving 811.0 g of glucose in water. Consider the following two scenarios in whic Prepared in a beaker Prepared in a volumetric flask 1.000 L You add the glucose to a volumetric flask and then add water until it dissolves. The water bottle you are using has a worn tip, and you inadvertently add too much water such that the meniscus is above the line. The diameter of the neck of the volumetric flask is 2.29 cm. 811.0 g glucose Concentration: You decide to evaluate and compare the errors you made while preparing the solutions using the different methods. Calculate the actual concentrations of the intended 4.5 M glucose solutions prepared by each method based on their…1. The recent river pollution series in Malaysia took place in 2019 in Sungai Kim Kim (Johor) and Sungai Selangor (2020).Briefly discuss the causes and suggest potential mitigating measures.24 25 26 A chemistry student weighs out 0.0202 g of acrylic acid (HCH,CHCO,) into a 250. mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1800M NAOH solution. Calculate the volume of NaOH solution the student will need to add to reach the equivalence point. Round your answer to 3 significant digits. mL x10 Continue Submit Assignment 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center | Accessibility C 80 000 000 F1 F2 DII DD F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 @ 2$4 % &
- "Vinyl chloride [monomer (VCM, C₂H3CI)] is one of the most widely-used industrial chemicals (about 3 x 1010 kg produced each year for making PVC plastic)" and is in the news lately due to the train derailment in East Palestine, OH. "It is also one of the most toxic chemicals and a known carinogen. The maximum concentration of vinyl chloride allowed in drinking water in the United States is 0.002 mg/L."Filtrate refers to the * insoluble solid in the filtration solution which dissolves crystals solution that passes through the filtrate funnelPls help ASAP
- ALEKS - Alec Nema - Knowledge x C A Student Dissolves 12.2 G Of So x G Complete the table below, which x + A www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-IvUrTNdLZh5A8CnG03PBGuXr8iCPa7ZMmym9SYAHbJMKtSq7DrFR1fsYOuKny2zlevikulP55Fuy58W0qj2. E Apps Sprouts Academy. Online Tutoring 400 Request Heade. Q Weather & Soil CH. Ale Knowledge Check Question 29 Classify the substance shown in the sketch below. You can click the other tabs in the sketch to get a magnified view. Be sure you check all the boxes on the right-hand side that are correct for this substance. Note for advanced students: in some sketches the distance between particles has been exaggerated to make it easier to see each individual particle. classification substance (check all that apply) normal 1000X 10,000,000x Ogas Oliquid Osolid Delement Ocompound Omixture Osolution Opure substance Ohomogeneous mixture Oheterogeneous mixture I Don't Know Submit O 2020 McGraw-Hill Education. All Rights Reserved. Terms of Use |…Which of the following will be soluble with water? Group of answer choices Vegetable Oil Desi Ghee Refined Oil EthanolA chemist prepares a solution of silver perchlorate (AgCIO, by measuring out 1.07 kg of silver perchlorate into a 250. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's silver perchlorate solution. Round your answer to 3 significant digits. I mol L 10 Ar Explanation Check 2022 McGraw Hill LLC All Rights Reserved. Terms of Use Privacy Center ACcessibility 80 F 8.37 AM Cloudy 令 4/02022 DELL F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 PrtScr Insert Delete PgUp PgDn Hom %23 V. Num Lock Backspace | 3 4 8 %24