Urea 5 g ______ Ointment base at 100 g ______ . How can you prepare Prepare 90 g of ointment instead of 100g

Urea 5 g Ointment base at 100 g . How can you prepare Prepare 90 g of ointment instead of 100g

Chemical Principles in the Laboratory

11th Edition

ISBN:9781305264434

Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Chapter43: Analysis For Vitamin C

Section: Chapter Questions

Problem 3ASA

See similar textbooks

Related questions

Q: Explain the complications in the dispersion of spheroidal particles in the Mie theory. Please focus ...

A: Gaustav Mie provided the mathematical description for spectral dependence of scattering by spehrical...

Q: 21.Which is the Bronsted base in the equation? N2H4 + H2O = N2H5 + OH А. N2H5 В. OH С. N2H4 O D. H20

Q: Given a oreaction eH4 (8)+ 202°9) - >C०_8) +2 H20CI) C०-C8) +2H20C cq\culade मe णork (न k১)whn2.20 m...

A: Given : Number of moles = 2.20 moles

Q: 6. How much heat does a 15-gram piece of aluminum metal release as it cools from 260°C to 35°C? 4.18...

A: Detail mathematical calculation to find out the heat released is given below

Q: Consider the proposed mechanism shown below for the reaction between nitrogen dioxide and carbon mon...

A: Given : We have to predict the intermediates present in the reaction.

Q: When the following equation is balanced properly under basic conditions, what are the coefficients o...

A: Answer: Given reaction is a redox reaction, therefore we will use ion-electron method to balance thi...

Q: ectrons:

Q: 6. Nitric acid, HNO3, is a strong acid in aqueous solutions. It is sold commercially as a concentrat...

A: Density of a substance is calculated as shown below: Density = Mass / Volume

Q: When the following skeletal equation is balanced under acidic conditions, what are the coefficients ...

Q: Which of the reagents will be reacting with alkanes and cycloalkanes? A) Nucleophiles B Electrophile...

Q: Give the concentrations of all ions in each of the following solutions. 50 M Co(NO3)2 0 M FeC...

Q: When the following skeletal equation is balanced under acidic conditions, what are the coefficients ...

A: Oxidation half reaction : SO3^2- = SO4^2- Or, SO3^2- + H2O = SO4^2- (O atom balance) Or, SO3^2- + ...

Q: 2 3. 4. 5. 8. 9. Four 0.2 mol samples of argon gas are described in the table below. Rank these samp...

A: Number of moles is same which is equal to 0.2 moles of Argon gas.

Q: How can we calculate the concentration (molarity) of OH- in a solution that is 0.0859 M NaOH at 25°C...

A: NaOH is strong base which completely dissociate in aqueous solution and forms Na+ ion and OH- ion. F...

Q: The thiourea in a 1.563 g sample of an organic material was extracted into a dilute H2SO4 solution a...

A: Given, Mass of thiourea = 1.563 g Molarity of Hg2+ = 0.009284 M Volume of Hg2+ = 36.43 mL Given ...

Q: Fe,0.t 3 Ha ca) a) AH" a AG at 230°C

A: The reaction given is, => Fe2O3 (s) + 3 H2 (g) → 2 Fe (s) + 3 H2O (g)

Q: the ionization constant for HCN is 4.5 x 10^-10. what is the pH of a 0.43 molar solution of sodium c...

A: PH = -log [H+]

Q: If you observe the following reaction at equilibrium, is it possible to tell whether the reaction st...

A: The given chemical reaction is a reversible reaction and the reaction is as follows: 2NO2g ⇌ N2O4(g)...

Q: Plz help with hw Calculate the energy (in kJ/mol) that electrons acquire as a result of being accele...

A: Answer: First of all we have to calculate the charge on 1 mole electrons and then by using the relat...

Q: For COPPER, determine the shells (n1 & n2) that correspond to each electronic transition for each em...

Q: Which of the following activities makes accurate use of stoichiometry to plan for 1 s’more per

A: Ans : option B

Q: Which of these statements is true about halogenation of 2-methylbutane? It occurs via an addition re...

Q: Identify the polyprotic acids. Select all H3PO4 HCI H2CO3 H2SO3 HCIO3 HNO3

Q: A gas mixture with a total pressure of 2900 torrtorr is used by a scuba diver. If the mixture contai...

Q: alculate the pH of 0.20 M arginine hydrochloride, ka= 8 x 10^-13

A: Given : Ka= 8 x 10^-13

Q: Write the IUPAC names for these alcohols. a. но но ČH3 b. OH ČH3 C. H3C. HO Br d. H. Br HO

A: Given compounds are : Write the IUPAC names of the given compounds = ?

Q: Find an application of the following topics in your discipline: a. Crystals b. Metals c. Polymers d....

A: There are different type of substances which have different applications - (a) Crystals - Crystal ...

Q: Show your complete solution for the ff: Calculate AS° for CaCo, (s) CaO(s) + CO, (g) b. 2H,(g) + O, ...

Q: Match the characteristics with the reaction mechanism Prompts Submitted Answers increase in the bond...

A: Bond order of double bond is higher than single bond.

Q: Which of the following elements should have the largest electronegativity? (Atomic numbers in parent...

Q: Give the equation for the quantum yield for the path that has T2, 02. (Use the following as necessar...

A: Given: Γ =7.407×10-9 sTo Calculate:Quantum yield (φ2)

Q: Find molarity of X and HX in beaker 1 X= 0.100M HX=0.100M

A: To find molarity of X- and HX in beaker 1 Given: Initial molarity (M1) of X- = 0.100 M Initial molar...

Q: 20. Based on the following equation, how many liters of NH, can be produced from 36 liters of H, at ...

A: Balanced chemical equation: N2 (g) + 2H2 (g) ------> 2NH3 (g) From the above equation: Volume...

Q: Pentaborane, Bs Ha, was once i Studied asYatpotentials roCket fuel.)calculate Srutthe heat given Off...

Q: DIRECTIONS:Provide the required number of isomers ner molecular formula by illustrating them in skel...

Q: The hydroxyl radical in the atmosphere is most effectively removed by hydrocarbons such as methane a...

Q: When the following skeletal equation is balanced under basic conditions, what are the coefficients o...

A: Given reaction is : NiO2 + SnO22- -----------> Ni(OH)2 + SnO32- (basic medium)

Q: Give the IUPAC name of the following Benzene derivative

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main...

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product ...

A: Grignard reagent reaction with carbondioxide gives carboxylic acid as a major product... Here grigna...

Q: . A 15.00 g of NaCl is dissolved in 5.00 L of water. Find the molarity of the solution? Show your so...

Q: Silver chromate is sparingly soluble in aqueous solutions. The Ksp of Ag, Cro, is 1.12 x 10-12. What...

A: We have to predict the solubility.

Q: Answer all questions in terms of the ammonia molecule (NH3). homenud a. What point group does NH3 be...

A: We have to predict the point group of ammonia.

Q: Calculate the cell potential in volts for following cell. Eo = +1.93 V Mg|Mg2+, 1.00 x 10-3 M||Fe2+...

Q: BaCro s) Ba2 + CrO Ksp = 2.10 X 10 10 Caleulate the molar solubility of BaCrO4 in water.

A: Given-> Ksp = 2.10 × 10-10

Q: 4.) Ethylene glycol, C2HO2, is used as radiator coolant and antifreeze in automobiles. It is mixed w...

Q: Complete the following nuclear bombardment equation by filling in the nuclear symbol for the missing...

Q: 1. Do all of the following for each molecule or ion. a. Draw the Lewis Dot structure that minimizes ...

Q: 9. A compound with a molar mass of 42.08 g/mol is found out to be 85.64% C and 14.36 % H by mass. Fi...

A: given, mass percentage of C = 85.64 mass percentage of H =14.36

Q: Example 3. Calculate the magnetic field streagth required to observe the NMR frequency for fluorine ...

A: NMR spectroscopy is a technique used to study the properties of organic compounds. It is a qualitati...

Q: Colligative Properties and Kinetics 9a. Radioactive Cud decays with a t/2 of 12.8 days. What is the ...

Question

Urea 5 g ______

Ointment base at 100 g ______ . How can you prepare Prepare 90 g of ointment instead of 100g

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

A martini, weighing about 5.0 oz (142 g), contains 30.0% by mass of alcohol. About 15% of the alcohol in the martini passes directly into the bloodstream (7.0 L for an adult). Estimate the concentration of alcohol in the blood (g/cm3) of a person who drinks two martinis before dinner. (A concentration of 0.00080 g/cm3 or more is frequently considered indicative of intoxication in a normal adult.)
Blood is drawn from a patient to measure their “cholesterol levels.” What is measured by this test the concentration of cholesterol in the blood the concentration of cholesterol in the liver the concentration of lipoproteins in the blood the concentration of all lipids in the blood the first time i put the concentration of cholesterol in the blood because that's what the answers on here said, but I got it wrong
what is the glucose concentration in the soft drink solo in g/100ml. keep in mind that gatorade's glucose concentration in g/100ml is 0.5
Calculate the amount of ascorbic acid in each sample. Each mL of 0.1 N iodine is equivalent to 8.806 mg of C6H8O6
In the conductivity test, _____________________ will result to a dimly lit light bulb. a. 1.0 M citric acid b. Mixture of 10.0 mL 1.0 M Mg(OH)2 and 10.0 mL 1.0 M HNO3 c. 70% (v/v) ethanol d. Glacial acetic acid
You are given a protein solution with a concentration of 0.15 mg/ml. Suppose that we want to prepare 1 ml of 10 μg/ml solution. How much of H2O and protein stock do we need to add to obtain the target concentration and volume?
Calculate the amount of ascorbic acid in each sample. Each mL of 0.1N iodine is equivalent to 8.806 mg of C6H8O6. Ensure you research the reaction and include it in your write-up.
18,Which of the following compounds is insoluble in water? Group of answer choices A, (NH4)2CO3 B, FeCO3 C, K2CO3 D, Li2CO3 E, Na2CO3
Calculate the molar concentration of a blood sugar level of 100 mg /dl where MW glucose = 180
1.) How many milliliters of 2.3 M NaOH are needed to neutralize 8.6 mLof a 5.7 M H2SO4 solution? ____ mL NaOH solution 2.)How many milliliters of 2.4 M NaOH solution are needed to neutralize 6.0 mL of 5.0 M H2SO4 solution? ___mL NaOH solution
4.Based on the boiling point and surface tension values obtained, which of the two liquids has stronger IMFA?
Ploease don't provide hand written solution....