The number of water molecules is maximum in b) 18 mol of water. > We must calculate the number of molecules in each case.

All you have to do now is to figure out how many molecules of chlorine are present in your sample. Start by using the molar mass of chlorine gas to calculate the number of moles of …

Explanation: #"Number of atoms of Mg"# #-=# #"Mass of metal"/"Molar mass of metal"xxN_A#, where #N_A-="Avogadro's number"=6.022xx10^23*mol^-1#

Now, to get to the mass of the sample, you must calculate the number of moles of #"C"_3"H"_8# in the sample, and then use the molar mass of #"C"_3"H"_8# to calculate the mass in grams: …

The mass will be 492.8 g. Each 6.02xx10^23 molecules will equal one mole of a compound (regardless of whether it is methanol, or anything else). So, our first (of two) calculations must …

No, at equilibrium the number of reactant molecule does not equal the number of product molecules. But the rate at which reactant molecules form products is equal to the rate at which …

Questions How can polarity of molecules be predicted from their geometry? How do polar covalent molecules dissolve in water? How do polar molecules differ from nonpolar …

1.81 * 10^(25)"molecules H"_2"S" All you have to do here is to use the definition of a mole as a conversion factor to go from the number of moles of hydrogen sulfide to number of molecules. …

To find #n# number of atoms in each molecule we use Avogadro's number #6.023xx10^23# We know that #6.023xx10^23# molecules of any substance are equal to its #1# gm mole.

Feb 18, 2016 · At constant temperature, and constant pressure, equal VOLUMES of GAS contain the same number of molecules. It follows that a DOUBLE volume of gas contains TWICE AS …