The allowable concentration level of vinyl chloride, C2H3Cl,in the atmosphere in a chemical plant is 2.0 x 10-6 g/L.How many moles of vinyl chloride in each liter does this represent?How many molecules per liter?

Q: Chlor-alkali plants electrolyze NaCl to produce the commodity chemicals caustic soda and chlorine…

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Q: Calculate the percent change in lead concentration that occurred from 2000 to 2016 with the…

A: To find: Percent change in the concentration from 2000 to 2016.

Q: The density of a 7.50% solution of ammonium sulfate, (NH 4) 250 4, is 1.04 g/mL. What mass of (NH 4)…

A: Given  %(w/w) = 7.50 %  Density of solution  = 1.04  gram/mL Volume of solution = 750 mL  Mass of…

Q: How many grams of NaOH are there in 1.00 L of 2.50 M NaOH solution? O 1.00 g O 40.0 g O 250 g O 100.…

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Q: Given a stock solution of 30% (w/w) hydrogen peroxide, how much solution, in mL, would you need to…

A: Given 30% (w/w) hydrogen peroxide 100.0 mL of a 5.0 M hydrogen peroxide solution Molar mass of…

Q: You are given a clear solution. You are told that the solution is a 50.0 wt% solution and the molar…

A: Let total mass 100 g Mass of solute 50g. Mass Of solvent = 50g Density = 1.07g/cm3 Volume of solvent…

Q: solution of potassium dichromate by measuring out 2.7g of potassium dichromate into a 200.mL…

A: Molarity  Moles of solute present per liter of solution is called molarity of a solution. Molarity…

Q: A 500 mL sample of waste water contains 42.65 µg of mercury, Hg. If the density of the sample is…

A: We are given a sample of waste water that contains mercury. We have to find its concentration in…

Q: A chemist adds 325.0 mL of a 0.21M potassium dichromate (K,Cr,O,) solution to a reaction flask.…

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Q: In the US, alcohol proof is equal to twice the percent of alcohol (ethanol) by volume, so for…

A: Given question is related to analytical chemistry. Steps to solve the question: 1. Calculate the…

Q: How many grams of solute are present in 565 mL of 0.670 M KBr? mass of solute: TOOLS x10

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Q: How many grams of NaCl are there in 75 mL of a 2.1 M solution of NaCI? O 9.2 g O 4.8 g O 0.71 g O 18…

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Q: Organic matter made up 59% of the particulate matter samples analyzed in the 2017 Lake Michigan…

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Q: How many moles of CH:OH are there in 46.6 mL of 0.400 M CH:OH?

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Q: Chlor-alkali plants electrolyze NaCl to produce the commodity chemicals caustic soda and chlorine…

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Q: A 5 litre sample of sulphuric acid solution reacts with 7.5 litres of 15 mol/L potassium hydroxide…

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Q: How much NaOH is in 5.2 L of a 0.48 M NaOH solution?   99.84 g  78.9044 g  74.4006 g  2.72448 g

A: Interpretation: The quantity of NaOH is in 5.2 L of a 0.48 M NaOH solution is to be determined.

Q: A chemist was asked to prepare a 2 L of diluted ammonia with initial concentration of 2 Normally, So…

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Q: 3. Graphing is an essential skill used throughout chemistry courses and other sciences. Here is a…

A: Note - Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: A bottle has a label on it and it reads “1.230 kL of 22.1220 mol/L mercurous phosphite solution”.…

A: the solution is as follows:

Q: How many moles of Ba(OH)2 are present in 225 mL of 0.200 mol L Ba(OH)2?

A: Given :-  concentration of Ba(OH)2 solution = 0.200 mol.L-1  volume of Ba(OH)2 solution = 225 mL…

Q: What is the mass in grams of potassium dichromate(K,Cr,0,) are required to prepare a 350 cm?…

A: Option B) 531g

Q: A chemist has a sample of 1.88 M HCl. What volume of the sample does he require to prepare 200 mL of…

A: M1=1.88M; V1=?    M2=0.45M; V2=200mL

Q: How many moles of NaOH are present in 25.0 mL of a 0.1000 M NAOH solution? O 0.100 mol O 100 mol O…

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Q: Do parts per million denote a concentration that is a mole ratio? Does the concentration of a…

A: ppm(parts per million) is mg/L.

Q: 3. What is the percentage of sulfur in a sample of 2 gm of coal that gave a precipitate of 0.084 g…

A: Moles of sulfur ( S ) atoms = moles of BaSO4 =  given mass of BaSO4molar mass of BaSO4 = 0.084233.4…

Q: Say you have 2.50 M CaSO, solution and you need 300. mL of 0.400 M CaSO, How can you prepare this…

A: Molarity is the number of moles of solute dissolved per volume of the solution.  Molarity is a way…

Q: The concentration of a stock solution of potassium dichromate is 0.50 mol/L. If you were to take 200…

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Q: Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s) + 2HCI( aq) ZnCl2( aq) +…

A: From the above data,  mass of Zn = 3.75 g Concentration of HCl = 1.30 M The volume of HCl = 500 ml =…

Q: A solution was prepared by dissolving 5.76 g of (KCI. MgCl. 6H;O) (277.85 g/mol) in sufficient water…

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Q: 5. The nitrogen in ammonia can de determined by treatment of the sample with chloroplatinic acid,…

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Q: Sea water contains 3.5% NaCl, by mass. (a) If the density of seawater is 1.02 g/mL, how many grams…

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Q: The allowable concentration level of vinyl chloride, C2H3Cl,in the atmosphere in a chemical plant is…

A: Avogadro number (NA) It is a number corresponding to 1 mole 1 mole of a substance contains Avogadro…

Q: The balanced equation below shows a simple way of manufacturing hydrogen gas in lab (you've done…

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Q: Say you have 2.50O M CASO, solution and you need 300. mL of 0.400 M CaSO4. How can you prepare this…

A: Given data Stock solution : molarity , M1 = 2.50 M Required solution : molarity M2 = 0.400 M…

Q: photosynthesis

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Q: Calcium hydroxide is sometimes used in water treatment plants to purify water for residential use.…

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Q: A 1.00 mL sample of seawater is determined to contain 2.50 × 10-14 moles of dissolved gold. How…

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Q: You are making 750 mL of a 0.7 M Ca(OH)2 solution.  How many moles of Ca(OH)2 will be added?  How…

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Q: 10. What mass of sodium hydrogen carbonate and what volume of 5.0 M vinegar (CH,COOH) would be…

A: Welcome to bartleby ! As per company norms we cannot answer more than one question per session .So,I…

Q: Nitric acid is a potentially dangerous strong acid that must be handled with great care. A…

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Q: What mass (in grams) of Mg(NO3)2 is present in 145 mL of a 0.150 M solution of Mg(NO3)2?a) 3.23 g…

A: One mole of a substance is something that has 6.022 × 1023 particles of that substance. This special…

Q: 2MnO, + 5C,0;+ 16H* 4 4 2MN²+ + 10 CO, + 8H,0 Here, 20 mL of 0.1 M KMNO, is equivalent to

A: Given data : 20 mL of 0.1 M KMnO4

Q: A person drinks 1.50 × 103 g of water, H2O, per day. How many moles is this?

A: Given,Mass of water = 1.50×103 gMolar mass of water is 18.015 g/mol

Q: ml of a solution

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Q: Determine the volume (in mL) of a 2.42 M solution of ZnBr2 that contains 0.539 moles of ZnBr2…

A: Given Molarity = 2.42 M Moles of  solute (ZnBr2) = 0.539 moles

Q: A student soaks willow bark (a natural source of salicylic acid) in ethanol. After a few minutes,…

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Q: Which of the following do not appear as concentrations in the expression for Kc? a) solids b)…

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Q: Of the following substances, which ones are generally soluble in water? O Bag(PO4)2 O Fe(OH)3 O…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".