1.) When analyzing the composition of the human body, 1.5% of the mass of the human body us made up of calcium. Calculate the number of moles of calcium in a person who has a mass of 150 pounds (1lb=0 What is the difference between a hydrocarbon and a carbohydrate?
What is the empirical formula of the following ? (i) Fructose(C6H12O6)found in honey (ii) Caffeine(C8H10N4O2)a substance found in tea and coffee. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Cla...
The formula for calculating the amount of heat passing through the wall from one fluid to another is:Q = U * A * ΔT where Q is the amount of heat transferred, U is the overall heat transfer coefficient, A is the surface area of the wall, and ΔT is the temperature dif...
19% of NaOH by mass means that in 100 grams of solution, there is a $$\... Learn more about this topic: Molality | Definition, Formula & Calculation from Chapter 7/ Lesson 11 219K Learn about the definition of molality and the formula. Understand ho...
418K Learn how to convert grams to moles and moles to grams, including the formula to convert grams to moles. See examples of how to find moles from grams. Related to this Questionwhat is the mole fraction of ethanol in a solution made by disso...
Moles to Atoms | Formula, Calculation & Avogadro's Number from Chapter 2/ Lesson 4 213K What is the moles to atoms formula? How does one convert atoms to moles? Learn how to calculate the number of atoms in a sample from the relationship between moles and Avogadro's number. ...
Moles of Al used = 20.50 g Al x 1 mole Al/26.98 g = 0.7598 moles AlSince there is excess O2, Al will be limiting and will determine moles of Al2O3 formed.Moles Al2O3 formed = 0.7598 moles Al x 2 moles Al2O3/4 moles Al = 0.3799 moles Al2O3 formed theoretically....
Ferric oxide, also known as Iron Oxide, is an important inorganic compound that is widely found in nature and has various chemical formulas and properties. This article will introduce the chemical formula, physical properties, chemical properties, and applications of Ferric oxide. 1. Chemical Form...
The mole ratio compares the number of moles in a balanced equation. This is the comparison between the coefficients in front of the chemical formulas. If a formula lacks a coefficient, it is the same as saying there is 1 mole of that species. ...
The molecular formula of Sodium carbonate is Na2CO3, consisting of two sodium ions (Na+) and one carbonate ion (CO32-). The molecular weight refers to the sum of the relative atomic masses of all atoms in a molecule, expressed in g/mol. The molecular weight of Sodium carbonate can be ...