Chemistry is full of many different confusing conversions. These conversions are important because they ultimately allow us to discover how a particular atom or molecule will interact with other atoms and molecules. Central to chemical conversions is the conversion of grams to moles, and vice versa....
First, convert the grams to moles using the molar mass and then use Avogadro's number to find the number of molecules: \(\mathrm{2g\enspace NaCl\Biggl(\dfrac{1mol\enspace NaCl}{58.44g\enspace NaCl}\Biggr)\Biggl(\dfrac{6.022\times10^{23}\enspace molecules\enspace NaCl}{1mol}\Big...
Amoleconsists of 6.02 × 1023irreducible "pieces" (atoms or molecules) of a substance. Every element'smolar mass, or the mass of a single mole in grams is given in the periodic table of elements (see the Resources for an online version). For example, carbon has 12.11 g. This means tha...
Explain how oxygen molecules, O2, and ozone molecules, O3, work together to protect us from high-energy ultraviolet radiation. What is the function of greenhouse gases and how do they work? How does carbon dioxide enter the blood and how is it transported? What is the use of oxygen...
How many moles of chloroethylene (C_2H_3Cl) contain 5.47 \times 10^{26} molecules? When using the gravitational constant with units \frac{Nm^2}{kg^2} do masses in grams need to be converted first before solving? Why is Avogadro's number called...
It takes two hydrogen atoms for every oxygen atom to produce this reaction, so the mole ratio between hydrogen and oxygen is 2:1. The reaction produces two water molecules, so the mole ratio between oxygen and water is 1:2, but the mole ratio between water and hydrogen is 2:2. ...
It takes two hydrogen atoms for every oxygen atom to produce this reaction, so the mole ratio between hydrogen and oxygen is 2:1. The reaction produces two water molecules, so the mole ratio between oxygen and water is 1:2, but the mole ratio between water and hydrogen is 2:2. ...
To this end, they define a mole of any element or compounds as Avogadro's number (6.022 × 1023) of atoms or molecules. The mass of this many particles, measured in grams, is the same number as the molecular mass, measured in atomic mass units. The definition of a mole is thus the...
Many chemical calculations require the number of moles of a material, but how do you measure a mole? One common way is to measure themass in gramsand convert to moles.Converting grams to molesis easy with these few steps. The Process Determine themolecular formulaof the molecule. Use the pe...
Sometimes you're given a value inmolesand need to convert it to grams. To do this, first calculate the molar mass of a sample. Then, multiply it by the number of moles to get an answer in grams: grams of sample = (molar mass) x (moles) ...