Household ammonia used for cleaning contains about 10 g (two significant figures) of NH3 in 100 mL (two significant figures) of solution. What it is the molarity of the NH3 in the solution?

Q: If 30.0 mL of 0.150 M CaCl2 is added to 15.0 mL of 0.100 M AgNO3, what is the mass in grams of AgCl…

A: Here we are required to find the mass of AgCl precipitate formed

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

A: Percentage volume by volume: is one of the ways to express concentration of solution. Formula is:…

Q: A chemist prepares a solution of potassium chloride (KCI) by measuring out 0.22 g of KCl into a 250.…

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Q: Express 1:444 (w/v) as a percent concentration (round to three decimal places) and as a…

A: We need to convert given w/v concentration to percent concentration and parts per million.

Q: How many grams of a solution that is 8.79 % sucrose by mass, (%m/m) contain 111 g of sucrose,…

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Q: What volume of 0.204 M NaOH, in milliliters, contains 35.0 g of NaOH? Volume = mL

A: NaOH has a molar mass of 39.997 g/mol. This means that one mole of NaOH has a mass of 39.997 g.…

Q: A chemist prepares a solution of sodium bromide (NaBr) by measuring out 33. mg of NaBr into a 250.…

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Q: 1) What mass of NaOH (in grams) do you need to make 250.0 mL of a 1.50 M NaOH

A: The molarity of the solution is given by the equation, molarity=moles of solutevolume of solutionL…

Q: A chemist prepares a solution of potassium dichromate (K,Cr,0,) by measuring out 16. umol of…

A: Molarity or concentration of solution may be defined as the number of moles of given solute…

Q: How many grams of 50% nitric acid and water should be taken to prepare a 15% nitric acid solution of…

A: Note : Instead of 15% nitric acid solution , there should be 15g nitric acid solution. Given: Mass%…

Q: What volume of 0.135 M NaOH, in milliliters, contains 31.0 g of NaOH?

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Q: The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same…

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Q: You have 150.0 mL of a 0.821 M solution of Ce(NO3)² What mass (in grams) of Ce(NO₂), would be…

A: Mass of Ce(NO3)4 can be calculated by knowing the concentration and volume of solution.

Q: The units of parts per million (ppm) and parts per billion (ppb) are commonly used by environmental…

A: As per our guidelines we can only solve first three sub-parts of a question. Please resubmit the…

Q: A 4.23 g4.23 g sample of a laboratory solution contains 1.96 g1.96 g of acid. What is the…

A: Mass percent = (mass of acid/ total mass) ×100% Mass percent is defined as the ratio of mass of…

Q: Please answer questions 3a and 3b. Questions are provided in the attached image. Thank you.

A: Gravimetric analysis is a quantitative method through we can accurately determine the amount of…

Q: An analytical chemist weighs out 0.112 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given, Mass of an unknown acid = 0.112 grams.    Volume of flask = 250 mL. Molarity of NaOH = 0.0700…

Q: A chemist prepares a solution of mercury(II) iodide (HgI,) by measuring out 0.0056 µmol of…

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Q: A chemist prepares a solution of magnesium chloride (MgCI,) by measuring out 25.5 mg of MgCl, into a…

A: Given:: mass of MgCl2 = 25.5 mg = 0.0255 g molar mass of MgCl2 =95.211 g mol-1 volume = 50 ml =…

Q: A chemist prepares a solution of aluminum sulfite (Al₂(SO3)3) by measuring out 44. µmo! of aluminum…

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Q: 6. A student reported the following percentages for his unknown mixture: 25% NH4CI, 30% NaCI, and…

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Q: Aqueous solutions of 16.7% by mass hydrogen peroxide, H202 (molar mass =34.016 g mol1) are used to…

A: Given that: Mass percent of H2O2 = 16.7% Density of solution = 1.06 g/mL

Q: An analytical chemist weighs out 0.118 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: Mass of the triprotic acid = 0.118 g Volume = 250 mL Molarity of NaOH = 0.1100 M Volume of NaOH…

Q: A chemist prepares a solution of magnesium chloride MgCl2 by measuring out 2.3g of MgCl2 into a…

A: The solubility of MgCl2 in the water at normal conditions is very high, so 2.3 g of MgCl2 is…

Q: 1. How many moles of potassium chloride, KCl, are in 35.0 g of KCl. 2. Enter your answer with both…

A: 1.) Given  mass of KCl = 35.0 g    Required data - molar mass of KCl = 74.5 g/mol   Formula used…

Q: In the laboratory you dissolve 16.6 g of magnesium chloride in a volumetric flask and add water to a…

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Q: What volume of 1.44 M KMN04, in liters, contains 292 g of solute? Volume = L. %3D

A: Given that, Molarity of KMnO4 = 1.44 M  Molar mass = 158.034 g mol-1 Mass of KMnO4 = 292 g  Volume…

Q: How many grams of a solution that is 76.85 % sucrose by mass, (%m/m) contain 110 g of sucrose,…

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Q: An analytical chemist weighs out 0.091 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: During a Titration, at equivalence point , the substance reacts completely with the added substance.…

Q: In the standardization of a solution of NaOH against 2.508 grams of oxalic acid (H2C2O4•2H2O), 42.53…

A: An acid exactly neutralizes the same number of equivalents of base and vice-versa. milliequivalents…

Q: What volume of 0.177 M NaOH , in milliliters, contains 25.0 g of NaOH ?

A: Calculate number of moles of NaOH:

Q: A chemist prepares a solution of sodium chloride (NaCl) by measuring out 0.50 g of NaCl into a 250.…

A: Given-> Weight of NaCl = 0.50 gm Volume = 250 ml =0.250 L (1L= 1000ml)

Q: In an experiment, a solution is prepared by dissolving 55.0 g NaOH in water until the final volume…

A: Given mass of NaOH = 55 g Volume of solution = 300 ml = 300 × 10-3 L

Q: A chemist prepares a solution of potassium bromide (KBr) by measuring out 31. mg of KBr into a 100.…

A:

Q: What is the molarity of concentrated acetic acid if the solution contains 40% acetic acid by mass…

A: Molarity of a solution is equal to the number of moles of solute per liter of the solution.

Q: A chemist prepares a solution of vanadium(III) chloride (VCl,) by measuring out 0.30 g of VCl, into…

A: Given, mass of VCl3= 0.30 g Volume of VCl3= 300 ml = 300×10−3L molar mass of VCl3=157.3 g/mol

Q: How would the following errors affect the empirical formula for the compound? The student ran out of…

A: The heating is used in this procedure so as to eliminate to the most the molecules of water. Start…

Q: What volume of 0.244 M NaOH, in milliliters, contains 30.0 g of NaOH? Volume mL %3D

A: Molarity of the solution is obtained by dividing the number of moles of solute by the volume of…

Q: A solution of CaCl2CaCl2 in water forms a mixture that is 41.5%41.5% calcium chloride by mass. If…

A: Given, Mass percent of calcium chloride = 41.5%. Total mass of mixture = 163.0g.

Q: in a solution of Cu2SO4 is dipped a sheet of zinc 6.4g. After some time it is noticed that the zinc…

A: Reaction for Zn dipped in Cu2SO4 solution: Zn + Cu2SO4 →ZnSO4 + 2 Cu

Q: If 19.5 grams of an aqueous solution of magnesium sulfate, MgSO4, contains 1.71 grams of magnesium…

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Q: A solution is prepared by adding 17.75g of H2SO4 in enough water to make exactly 100 mL of the…

A: Given: Weight of H2SO4 (A) = 17.75 g Solution volume = 100 mL Density of prepared solution = 1.1094…

Q: The great French chemist Antoine Lavoisier discovered the law of conservation of mass in part by…

A: Answer: Ideal gas equation is shown below: PV=nRT Here: P=pressure of the gasV=volume of the…

Q: Calculating molarity usihy A chemist prepares a solution of mercury(I) chloride (Hg,Cl, ) by…

A: Given, mass of mercury (I) chloride (Hg2Cl2) = 1.0 mg = 0.001 g Volume of the volumetric flask =…

Q: Several years ago a tank car load (70,000 litres) of concentrated nitric acid spilled in a Denver,…

A: Given data,Volume of solution=70,000L=70,000×103mLDensity of solution=1.42g/mLConcentration of…

Q: If you take 51.9 grams of calcium chloride (CaCl2) and dissolve it in 185.2 mL of water, what is the…

A:

Q: You dissolve 7.01 mol of glucose into a total volume of 438 mL.  What is the molarity of glucose in…

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Q: A 0.2121-g sample of pure NaC,O, (134.00 g/mol) was titrated with 43.31 mL of KMNO4. What is the…

A: Normality can be obtained by multiplying the molarity of the KMnO4 solution with the number of…