The average concentration of dissolved gold in earth's oceans is  5.8 x 10^−9 g/L. of ocean water.How many micrograms of gold are in 1.1x10^3 m^3 of ocean water?    (1 ml = 1 cm3)

Q: A chemistry student weighs out 0.110 g of hypobromous acid (HBrO) into a 250. mL volumetric flask…

A: • Concentration = No.of MolesVolume• No.of Moles = Concentration x Volume•  No.of gram Equivalent =…

Q: A chemistry student weighs out 0.0737 g of acrylic acid (HCH,CHCO,) into a 250. mL volumetric flask…

A: In a titration, the equivalence point is that point where, the total amount of titrant is consumed…

Q: A chemistry student weighs out 0.0906 g of lactic acid (HC,H,0,) into a 250. mL volumetric flask and…

A:

Q: A sulfuric acid (H2SO4) solution with a concentration of 6.00 M has a density of 1.34 g/mL. What is…

A: Mass percent of solute in a solution represents its concentration in the given solution, which…

Q: A chemist prepares a solution of silver(I) perchlorate (AgCIO 4) by measuring out 1.05 x 10° umol of…

A: When you talk about concentration in μmol/L that means no of micro moles present in one liter of…

Q: The main chemicals present in a cup of coffee are water, caffeine, and tannins (acidic polyphenols…

A: A question based on analytical separations that is to be accomplished.

Q: A chemistry student must write down in her lab notebook the concentration of a solution of potassium…

A:

Q: HOU X 2(e) 95 100 100 X 7500 "Normal" saline has a concentration of about 0.89%, a value that is…

A:

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

A:

Q: A homogeneous mixture of two or more substances is called ________   a. a mess. b. a solution. c. an…

A:

Q: The concentration of carbon monoxide in an urban apartmentis 48 μg/m3. What mass of carbon monoxide…

A: 1 ft = 0.3048 m Therefore, dimensions of the room are : 10.6 ft x 14.8 ft x20.5 ft = 3.23 m X 4.51 m…

Q: You are making a rubbing alcohol (=isopropyl alcohol) solution to disinfect surfaces. You start with…

A: • The values provided in the question are:-    i) Initial volume of isopropyl alcohol solution, V1…

Q: In the laboratory, a student dilutes 26.7 mL of a 7.32 M hydrochloric acid solution to a total…

A: Initial Molarity, M1 = 7.32 M Initial volume, V1 = 26.7 mL Final Molarity, M2 = unknown Final…

Q: A doctor has ordered that a patient be given 3.00 g of glucose, which is available in a…

A: A numerical problem based on unit conversion, which is to be accomplished.

Q: AGNO,(aq) + NaCI(aq) NANO,(aq) + AGCI(s) Volume of unknown Volume of 1 M NaCI Mass of AgCl (g)…

A: Welcome to bartleby ! Introduction :  We have to calculate concentration of AgNO3

Q: A saline solution used in intravenous drips for patients who cannot take oral fluids contains 0.92…

A: Given : Mass of NaCl : 7.7g Weight/Volume = 0.92 To calculate: volume of the saline solution.

Q: The concentration of carbon monoxide in an urban apartmentis 48 mg>m3. What mass of carbon…

A:

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: Imagine that you are the CEO of a mining company. Your employees were able to excavate 2 ores,…

A: Metallic iron may be cheaply recovered from iron ores, which are rocks and minerals. Iron oxides…

Q: 2.) Five standardized dilutions of aqueous lead(11) chromate solution were prepared by adding a…

A:

Q: In an Erlenmeyer flask, 25.75 grams of potassium nitrate was dissolved thoroughly to prepare a…

A: a.)   Moles of potassium nitrate = given mass ÷ molar mass = 25.75 ÷ 101 = 0.255 (mass = density X…

Q: What volume of a 1.63 mass % solution of Mg(NO 3)2 is needed to contain 0.316 grams of…

A:

Q: An aqueous solution of nickel(II) nitrate, Ni(NO3)2, is made by dissolving 8.96 grams of nickel(II)…

A: Weight / Volume % is defined as the mass of solute present in 100 mL of Solution.

Q: A mixture is made by combining 1.02 lb of salt and 3.76 lb of water. What is the percentage of salt…

A: Given: Mass of salt is 1.02 lb. Mass of water is 3.76 lb.

Q: A student mixes 1.0 mL of aqueous silver nitrate, AgNO3 (aq), with 1.0 mL of aqueous sodium…

A: Double replacement reaction : The two ionic compounds  containing negative and positive ions reacts…

Q: A 10.00 mL sample of a test solution is diluted in an environmental laboratory to a final volume of…

A: The volume of the sample= 10.00 mL The concentration of the sample= c g/L The volume of the diluted…

Q: In the laboratory, a student dilutes 12.8 mL of a 9.35 M perchloric acid solution to a total volume…

A: In the dilution process, the relationship between initial and final concentrations and volumes of…

Q: A 0.9% (weight in grams/volume in mL) solution of sodium phosphate is made by adding _______ grams…

A: 0.9% (weight in grams/volume in mL) solution of sodium phosphate is made by adding 18 grams of…

Q: solution was standardized using 0.256 g of sodium carbonate. (Na2CO3 = 106 g/mol; HCl = 36.46 g/mol)…

A: Given,  Mass of Na2CO3 = 0.256 g Na2CO3 = 106 g/mol; HCl = 36.46 g/mol) Moles of Na2CO3 = mass/Molar…

Q: To study a marine organism, a biologist prepares a 1.00-kgsample to simulate the ion concentrations…

A: Hello. Since the question has multiple sub-parts, the first three sub-parts shall only be solved in…

Q: What are the qualitative and quantitative approaches to measure densities, respectively? In air, the…

A: In Quantitative approach, we measure mass of the sample, volume of the sample and then finally,…

Q: The concentration of chloride ions in a sample solution is 98 ppb. What is the mass in mg of…

A:

Q: In the laboratory, a student dilutes 25.6 mL of a 8.86 M perchloric acid solution to a total volume…

A: Given: final volume of solution(V2)=250 ml initial volume(V1 )=25.6 ml initial concenteration(M1) =…

Q: 7. A 525.0 mL sample of 5.50 M sulfuric acid has a density of 1.49 g/mL. Express the concentration…

A: Mass percentage = 36.20 %

Q: Sucrose is the chemical name for the sugar we consume. Its solubility at 20°C is 204 g/100 g water,…

A:

Q: Give an example of a mixture in which solute is solid and solvent is liquid.

A: NaCl (ionic solid) Water (liquid) Salt water

Q: You are making a rubbing alcohol (=isopropyl alcohol) solution to disinfect surfaces. You start with…

A: Given: Initial concentration of alcohol = 4.440 M Initial volume of solution = 316.7 mL And final…

Q: A 0.75 M acetic acid solution has a density of 1.01 g/mL. What is the amount of solvent in grams in…

A:

Q: An analytical chemist weighs out 0.066 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: . A concentrated perchloric acid solution is 65.8% HClO4 by mass and its density is 1.68 g mL−1.…

A: 65.8 g HClO4 in 100 g solution. Density = mass/volume  Volume of solution = 100/1.68 = 59.52 ml…

Q: In the laboratory you dissolve 15.8 g of nickel(II) bromide in a volumetric flask and add water to a…

A: Answer:- This question is answered by using the simple concept of calculation of molarity of the…

Q: If you dissolve 27 g of sugar into 155 mL of water, what can youconclude about the mass and volume…

A: Density of a substance is equal to the mass of solution divided by its volume. Write the expression…

Q: An analytical chemist weighs out 0.279 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: The given data contains, mass = 0.279 g. Volume = 250 ml. Molarity of NaOH=0.1400 M. Volume of NaOH…

Q: In a titration experiment, a student finds that 23.48 mL of a NaOH solution are needed to neutralize…

A: Step : 1             What is the concentration (in molarity) of the NaOH solution?

Q: Density of an aqueous solution of nitric acid is 1.43 g/mL. If this solutioin contained 36.0% nitric…

A: Given, Density of an aqueous solution of nitric acid = 1.43 g/mL Mass % of nitric acid = 36.0 %…

Q: A sample of pure acetyl salicylic acid had a mass of 0.268 grams. It was dissolved in NaOH and…

A: Given Mass of aspirin = 0.268 g Molar mass of aspirin = 180.2 g/mol Volume of solution = 500.00 ml =…

Q: One of the common intravenous fluids, called physiological saline, is a homogeneous mixture of NaCl…

A: Given: The mass % of NaCl in thephysiological saline, =  0.89% (m/m). The density of physiological…

Q: 6. Moles of NaOH dispensed (mol) 7. Molar concentration of acid solution (mol/L) 8. Average molar…

A: The number of moles of a substance is the mass of the substance upon its molar mass. The molarity of…

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…

Q: One individual was told that his total blood cholesterol concentration should be less than 200.…

A: The concentration of cholestrol are given in two different units; C1 = 200mg/dL C2 = 5.2 x 10-3M It…