If a pharmacist dissolves 1.2 g of a medicinal agent in 60 mL of a cough syrup having a specific gravity of 1.20. W hat is the specific gravity (to 3 decimal places) of the product if the addition of the medicinal agent increases the syrup’s volume by 0.2 mL?

Q: A substance has a solubility of 12.5 g per 100 mL of solvent at 100°C and 2.45 g per 100 mL solvent…

A: Given, At 100°C Solubility of of substance is 12.5 g per 100 mL of solvent At 10°C Solubility of of…

Q: Calculate the mass percent (m/m) of a solution prepared by dissolving 41.98 g of NaCl in 151.7 g of…

A: Q.1:  Given mass of solute, NaCl = 41.98 g  mass of solvent, H2O = 151.7 g  => Mass of solution =…

Q: A binary mixture contains 56 wt. 6 propane C3H8 (MW = 44 g/mol) and the remainder is butane C4H10…

A: Givenwt% of propane=56It indicates weight of propane=56 gmRemaining percentage contains butane ie…

Q: Volumetric flasks show no intermediate gradations, but they show a single mark to indicate, with…

A: The objective of the question is to determine the concentration of the solution prepared in the lab,…

Q: What is the mass of lead in 7.8⋅10^3  g of blood if the lead content is 0.40  ppm?

A: ppm, i.e., parts per million is defined as the mass of a solute (in milli gram) present in 1 L of…

Q: Iron(III) hydroxide (MM = 106.87 g/mol) has a Ksp of 6.3 x10-38.  If 35.9 g Fe(OH)3 is stirred into…

A: The solubility reaction of Fe(OH)3 is  Fe(OH)3 (s) ----> Fe3+ (aq) + 3 OH- (aq)  Assuming that…

Q: Solubility Curves of Selected Compounds 150 140 130 120 110 100 NaNO 90 80 70 60 50 NHC KCI 40 Naci…

A: In this question, we want to determine the Solubility of Ammonium chloride ( NH4Cl )  How we can…

Q: When mixing sodium chlorate solution (volume 1.0L, density 1.1614 g/ml, mass fraction 22%)  with…

A: A balanced reaction is one that contains equal number of atoms of each element in reactants and…

Q: A solution was prepared by dissolving 5.9833 g NaCl in sufficient water to create a 1-L solution in…

A: Mass of NaCl = 5.9833 g  Uncertainty in mass = +/-  0.1 * 10-3 g = +/- 0.0001 g = 10-4 g Volume of…

Q: An environmental study was performed to measure the transport of a DDT (a banned pesticide)…

A: The relative response factor can be calculated as: Area of Analyte signalConcentration of…

Q: If a pharmacist combined 50-mL portions of three syrups having specific gravities of 1.10, 1.25, and…

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

Q: Which was the yield?

A: Molarity = number of moles/volume (in L)  Moles = molarity x volume (in L)   Percent yield = [actual…

Q: two solvents A (d=0.859 g/mL) and B (d = 1.290 g/mL) are immiscible. When 12.0 mL of solution A is…

A: Density=1.0314g/ml

Q: 37.7 mLmL of a 0.139 MM Na2CO3Na2CO3 solution completely react with a 0.150 MHNO3MHNO3 solution…

A: The given reaction is  Na2CO3(aq)+2HNO3(aq)→2NaNO3(aq)+CO2(g)+H2O(I) We are here given that the…

Q: Review Topica) References) Use the References to access important values if needed for this…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: A stock standard of uric acid contains 100 mg/100 ml. A working standard is made by diluting the…

A: Stock standard of uric acid contains 100 mg/100 ml.  Which means 100 ml stock solution contains 100…

Q: How many moles of Mg*2 in 6.00 mL of a 6.0N Mg3(PO4)2 sOolution ? First we have to convert moles…

A: #1: The formula for equivalents is: Equivalents = molesTotal charge of all cations or anions

Q: A student creates a calibration plot for serial dilutions of Cu(NO3)2. A graph of concentration in M…

A: Given : y = 0.345x - 0.11 Mass of solution = 100 grams  To find  :  Grams of Cu ( NO3 )2 Grams of…

Q: 100 90 NaNO 80 70 60 CaCl 50 Pb(NO)2 40 NaCI 30 KCT 20 KCIO 10 Ce,(SO 0 10 20 30 40 50 60 70 80 90…

A:

Q: An aqueous sucrose (C12H22O11) solution must be created for an experiment. If 100.00 mL of 0.200 M…

A: In the given question we have to find out the freezing point and boiling point of water at 1 atm…

Q: In a river with a constant flow rate, the factory releases wastewater containing NaCl at a…

A:

Q: To prepare olives for consumption and remove their bitterness, powdered soda (sodium hydroxide,…

A: Given ,  Powdered NaOH is used to remove bitterness from olives .

Q: .. We want to determine the purity of alum sample bought in a local pharmacy in Miagao. A Chem 28…

A: A numerical problem based on quantitative analysis, which is to be accomplished.

Q: What is the concentration, in mg/mL, of a solution containing 2 mEq of potassium chloride per mL? MW…

A: The objective of the question is to calculate the concentration of a solution in mg/mL, given the…

Q: How many grams of solid NaNO3 came out of solution after cooling? Express your answer in grams to…

A: A). Solubility of NaNO​​​3 at 20°C = 88g/100g H​​​​​​2​​​​O 100g of H​​​​​2 O can dissolve → 88g of…

Q: Toxic Cr(VI) can be precipitated from an aqueous solution by bubbling SO2 through the solution. How…

A: Some toxic substances are precipitated from their solution with the help of some reagents. In these…

Q: A 870. mL solution was made by mixing 419. mL of hexane, which has a density of 0.66 g/mL, and 469.…

A: Given ,Volume of solution = 870. mLvolume of hexane = 419. mLvolume of toluene = 469. mL

Q: A 25mL volumetric pipet is used to deliver a sample of the stock solution marked “0.6000M X2SO4”…

A: Given : concentration of X2SO4 stock solution = 0.6000 M Volume of stock solution used = 25 mL And…

Q: You measure 15.0 mL of the H2C2O4 solution with a 100-mL graduated cylinder and add it to a 125-mL…

A: Titration is useful in determining the unknown concentration of a solution ghaing known volume.…

Q: Mountain Dew® contains caffeine, C8H10N4O2, at a concentration of 0.7838 mM and has a density of…

A: #(a): Hence the solute is caffeine, C8H10N4O2 and solution is mountain dew with density 0.998 g/cm3…

Q: A chemist prepares a solution of sodium carbonate (Na₂CO3) by measuring out 86. μmol of sodium…

A: A homogeneous mixture of two or more substances is known as a solution. The species which present in…

Q: cvg.cengagenow.com [References) You have 0.963 g of an unknown acid, H2A, which reacts with NaOH…

A: An acid reacts with a base to form salt and water. In the given reaction H2A reacts with NaOH to…

Q: The minimum level of mercury levels in water considered safe is 1 part per billion (ppb) by weight.…

A: The volume of water is = 8.52 L The concentration of mercury in the water sample is = 0.59 parts per…

Q: A chemist adds 30.0mL of a  3.8*10^−6/molL mercury(II) iodide HgI2 solution to a reaction flask.…

A: We know that 1 micromole is 10-6 moles. We have been given that 30mL of 3.8 x 10-6 mol/L mercury(II)…

Q: Consider the table below: Compound Density Ether 0.8415 g/mL Dichloromethane 1.311 g/mL Water 1.00…

A: From the given data of densities of ether, dichloromethane and water – it is clear that density of…

Q: 3a.

A: 37% acetic acid means 37 g of acetic acid in 100 mL of solution. The molar mass of acetic acid is…

Q: 4.87 mL of a dark solution with a dye concentration of 15.86 %m/v is diluted to a total  volume of…

A: Mass percentage of a solution: The mass of solute in gram present in 100 mL of a solution is known…

Q: Missing molar conductivity Given: Conductivity: 281 us x cm^-1 (microseconds/cm) Concentration of…

A:

Q: The chlorine content of a pool with a capacity of 1.80×104 L was discovered to be 0.00145% by mass,…

A: The objective of this question is to determining the amount of chlorine that needs to be added to a…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.