Pay attention to the lipbalm formula of aloe vera extract (Aloe vera.L): Glycerin 5% Cera flava 10% Nipagin 0.18% Lanolin 15% Oleum cacao ad 100% Aloe vera extract 10% The preservative in the formula is .... A. aloe vera extract B. cera flava C. nipagin D. oleum cacao

Q: The percent of water in an unknown hydrated salt is to be determined by weighing a sample of the…

A: Hydrated salts are formed when some water molecules remain as part of the crystals after the…

Q: 23. A researcher wanted to use myoglobin as a substitute for hemoglobin to carry oxygen in a human…

A: We from the overall observation of the graph we can say the myoglobin curve is hyperbolic and the…

Q: What would a glassware assembly like this be used for? Heating a reaction under reflux conditions…

A: Fractional distillation is a process by which components in a chemical mixture are separated into…

Q: Adsorption and desorption isotherms are important when a. be specific to each product b. allows to…

A: Adsorption and desorption isotherm is basically important to describe how solutes interact with…

Q: What is the lower flammability limit (LFL)? A. None of these B. The lowest temperature that will…

A: The Lower Explosive Limit (LEL), commonly referred to as the Lower Flammability Limit (LFL), is a…

Q: 4. Which pair of solvents is NOT miscible? a. hexane and water b. water and methanol c. methanol and…

A: Polar molecules tend to dissolve in polar substance.  Non-polar molecules tend to dissolve in…

Q: What does the term "decant" mean in this lab (i.e. decanting a dry organic solution into a tared…

A: In chemistry lab solutions are transformed from one container to another container.

Q: Organic solids are best purified by a. recrystallization b. vacuum distillation c. fractional…

A: Purification of organic compounds can be done by various methods namely distillation method,…

Q: How is recrystallization of an impure solid accomplished?

A: Recrystallization is a technique used for the purification of a solid from impurities.

Q: In the reaction of 10.00 mL of FeCl3(aq) and 12.4 g of K2C2O4(aq), you calculate that 9.58 g of…

A: Solution :      Percentage yield provides the ratio of actual yield to the theoretical yield of the…

Q: A feed of fruit juice (101, 13 brix, 1.05 g/cm3 density) is concentrated to 21 product (1.25 g/cm3…

A: Volume of Fruit Juice feeded =10LBrix =13Density of fruit Juice Feeded = 1.05 g/cm3Final Volume of…

Q: What is the major difference in set up between a simple distillation and a fractional distillation?…

A: Distillation is a separation technique use to separate the liquid mixture on basis of their…

Q: Which of the following are considered solution samples? Select all that apply.   A. natural waters…

A: A solution is a mixture.

Q: A student prepared a compound. the melting point of the crude the product was 42 to 48 degree C.…

A: When we study about the melting point of any impure  & pure material then we can observe a…

Q: Chopping an onion breaks cells and releases compounds that give the smell of onions, and one…

A: Chopping onion releases five different compounds they are: 1) Propanal  2) Ethanol  3) 2-methyl…

Q: 1. Atomic mass of magnesium from the Periodic Table is 24.305 g/mol. x= Moles of Mg used in this…

A: answer is given as follows

Q: An unknown compound was obtained through steam distillation. At the end of distillation, 34.2578 g…

A: Given that50 g of water codistilled.ie,weight of water =50 gramPartial pressure of compund=57 mm…