pure density liquid A. 31. What is the density of a mixture that is 2.3 moles A and 2.7 moles B? Explain how you arrived at this answer.

Q: What is the percent by mass NaCl of a solution that contains 86.6 grams of BeO and 127.2 grams of…

A: The solution is a homogeneous mixture of solute and solvent. The solute dissolves in a solvent, in…

Q: Could you help me this calculation part?  Mass of empty, dry crucible (g): 0.5g Mass of crucible…

A: Given: Mass of empty dry  crucible = 0.5 g so when we ass sodium bicarbonate to it, the mass will…

Q: 1. Why should solid NaOH be weighed on a watch glass and not on a paper?

A: We know solid NaOH can't be weighed on a paper. We use watch glass for weighing NaOH. Here we will…

Q: Calculate the percent composition of sand in the mixture using the mass of the recovered…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Convert the mass of NaC2H;O2 weighed to moles NaCH3O2. Show work with dimensional analysis, ?

A: The sum of the weight of the each atom in a molecule is called the molar mass or molecular weight .…

Q: Microbiologists use acid-alcohol when performing a cell stain of the pathogen Mycobacterium…

A:

Q: When determining the density of a pure liquid or a solution, the temperture of the sample must be…

A: The volume of liquids will increase with increase in temperature.

Q: What does simple distillation data from the same mixture would look like?   2. Why does the…

A: As you not specify so I am giving answer of second question collecting the cyclohexene fraction…

Q: What volume (in mL) of 0.849 M CaCl2 is required to deliver 0.31 moles of CaCl2? Report your answer…

A: Given that : Molarity of CaCl2 = 0.849 M Moles of CaCl2 = 0.31 moles Volume = ?

Q: Consider a random mixture containing 7.00x10° particles of Na2CO3 and 5.00x107 particles of K2CO3.…

A:

Q: If ammonia is dissolved in water and the total weights are 80 g at 19%, what are the weights of…

A: The mass of the solution is = 80 g The percent concentration of the solution is = 19 % The weight of…

Q: What volume of a 4.60 M solution of NaNO3 do you need to make 0.450 L of a 1.00 M solution of NaNO3?…

A: The dilution law is shown below: M1×V1 = M2×V2 M1 = molarity for concentrated solution M2 = molarity…

Q: Number of specified entities in 0.1 m H2 so4 is

A: Here, specified entities refer to the number of atoms. It is known that 1 mol of any substance…

Q: When determining the density of a pure liquid or a solution, the temperature of the sample must be…

A: Density of a substance is the ratio of its mass and volume. It is a measure of mass per unit volume.…

Q: d) A stock solution of potassium hydroxide, KOH, is 1 mol dm³. X cm³ aliquot of this solution is…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: if you titrated your acid sample to a bright pink rather than faint pink endpoint? if your "acetic…

A: If you titrated your acid sample to a bright pink rather than faint pink endpoint. The amount of…

Q: Mass of empty beaker: 30.453 g 31.909 g Mass of beaker plus sample, before heating: 31.176 g Mass of…

A:

Q: 1. Calculate the normality of potassium permanganate (MW: 158.034 g/mol) if 0.2142 g of sodium…

A: Normality is used for measuring concentration of a solution. Concentration of solution can also be…

Q: 1.33 O 2.66 O 1.66 2.77 Normality of 0.2 gram of CaCl2 (molecular wt=110) in 100 ml of water is--. O…

A: We are given three numbers, we have to find the variance. And in the second question we have to find…

Q: A nitric acid solution is labelled 6.0% W/W nitric acid by mass. What mass, in kg, of pure solute is…

A: Given, Mass of solution = 1.84 Kg Concentration % (w/w) = 6.0 % Required, Mass of pure solute = ?

Q: The mass in milligrams of oxygen (molar mass= 16 g/mol) in 1920cm3 of 1.76X10-3 M solution of H3PO4…

A: H3PO4 Volume = 1920 cm³ = 1920 mL = 1.920 L Molarity = 1.76 × 10-³ M =1.76 × 10-³ mol/L   Molarity =…

Q: A mixture of methanol and water contains 60.0% water by mass. Assuming volume additivity: If the…

A: Given: Percent by mass of water = 60.0 %. And moles of methanol required = 150 mol.

Q: A sunscreen preparation contains 2.50% by mass benzyl salicyla salicylate/100g sunscreen). If a tube…

A: Given : 1 tube contains 4 ounce of sunscreen  And we want to make 325 tubes Hence total mass of…

Q: 4G 72% 4:37 = bartleby Q&A Science / Chemistry / Chemic... / 11th Ed... : A student determined the…

A: a.The freezing point depression can be calculated as follows:

Q: 100 mL of water was mixed in 100 mL of 100 Proof alcoholic beverage. What is the percentage by…

A: percent by volume one of the concentration unit  here we are required to find the percentage by…

Q: A. Standardization of NaOH Solution: Sample A Sample B Sample C 0.100m 0.100m 0.100m 1. Molarity of…

A: Given: The volume of 0.100 M HCl used for the determination of molarity of NaOH is 25.00 mL.

Q: 52.37 9 1. Mass of flask, aluminum foil, and rubber band 100°C 2. Temperature of boiling water bath…

A: Given data,Temperature=100oC=100+273=373KPressure=1atmMass of condensed…

Q: For a 77.1% mixture of methanol (CH3OH) in water on a mass basis, calculate the percentage of…

A: The number of moles of a compound is related to its mass by the following relation: Number of moles…

Q: Standardization calculations: Consider the standardization of NaOH solution using a primary standard…

A: Given, Base = NaOH Acid = KHP

Q: How many grams of MgCl2 are needed to prepare 586 mL of 0.234 molar aqueous MgCl2? Put answer in box…

A: The question can be solved using molarity equation:

Q: e quantity of

A:

Q: Q5/ A gaseous mixture of CO, CO2, CH4, and N2 is analyzed with a gas chromatograph. The output…

A:

Q: (a) A student has a 10.0g sample of CaBr2. Show the setup of the calculation to determine the number…

A: The number of the moles of any substance present in a sample is the ratio of the given mass of that…

Q: Microbiologists use acid-alcohol when performing a cell stain of the pathogen Mycobacterium…

A: Diluting solutions having a specific concentration never changes the solute's moles present in that…

Q: A 1.59g sample containning KI was analyzed gravimetrically and .0538g of barium iodate was…

A:

Q: When determining the density of a pure liquid or a solution, the temperature of the sample must be…

A: Density is obtained by dividing the mass to the volume. Density of gases is lower than that of the…

Q: The mass in milligrams of oxygen (molar mass= 16 g/mol) in 1920 cm³ of 1.76X10-3 M solution of…

A:

Q: Consider a random mixture containing 7.00x10 particles of Na2CO3 and 5.00x107 particles of K2CO3.…

A:

Q: Rearrange these terms to solve for mass (m).

A:

Q: a) A 17.31 g sample of a hydrate of magnesium carbonate was heated, without decomposing the…

A: Molar mass of MgCO3 = 84.31 g/mol Molar mass of water = 18.02 g/mol Weight of sample of a hydrate of…

Q: Calculate the molarity of a solution made from 42.6 g of NaCl into a total volume of 1,396 mL. Be…

A: since you have posted a multiple question in a single session, we are entitiled to answer only first…

Q: 18/8 stainless steel is made up of 18% (m/m) chromium and 8% (m/m) nickel in iron. What mass of iron…

A:

Q: The mass in milligrams of oxygen (molar mass= 16 g/mol) in 1920 cm3 of 1.76X10-3 M solution of…

A: To calculate this question first of all we have to calculate the moles of H2Cr2O7 used.  As we know…

Q: How many grams of MgCly are needed to prepare 665 mL of 0.881 molar aqueous MgCly? Put answer in box…

A: The solution is provided below: The given data contains, Volume = 665 ml Molarity = 0.881 M

Q: 2. A solution is made by dissolving 175 g of sodium chloride in 1525 g of water. What is the percent…

A:

Q: 2. The Mercaptan content of household gas supplies is monitored continually to ensure that the gas…

A: As per our guidelines we can only solve first three sub-parts . Please resubmit other questions as…

Q: d) c, and (e) p? red quantities: (a) 351 g,

A:

Q: A 1.06 den silk fiber has reached its maximum tenacity value. How many grams (force) would it take…

A: Given: Specification of silk fiber = 1.06 den It has reached maximum tenacity value. We know that,…

Q: 18/8 stainless steel is made up of 18% (m/m) chromium and 8% (m/m) nickel in iron. What mass of…

A: The mass of chromium can be calculated as follows