Sep 15, 2022 · To answer this question you need to know that 1 mole=6.02 × 10 23 number of atoms/molecules (Avogadro's number) First find the molar mass of H3PO4. H3PO4 molecular …

Jan 27, 2021 · Ans. 1.40 x 10^25 atoms. My first question is converting the usage of 0.20 g of CaCO3 into atoms. So after I converted it into mol, should I follow the same steps (as the …

Jul 30, 2021 · To find the total number of atoms, multiply the number of moles, Avogadro number and the number of atoms in the formula here, total number of atoms in 21.0 g of cocaine …

Dec 12, 2017 · One mol will always contain avogadro's number of atoms. Thus, this will basically be equal to whichever option has the most mol which you find by dividing each mass by the …

Jul 13, 2020 · In order to go from mass to number of atoms, you are first going to have to go through moles. First, then, we calculate the molar mass of cocaine hydrochloride and use that …

Mar 3, 2018 · Take the mass and divide by the molar mass and multiply by Avogadro's number. This will yield the number of molecules. To get the total number of atoms, multiply the number …

May 30, 2017 · Calculate the number of hydrogen atoms there are in 75.00 grams of C6H14O4

Oct 16, 2022 · Hey Matelie. The first step is to understand that you can convert grams of calcium to moles of calcium then to number of atoms of calcium. The molar mass of Calcium is 40.078 …

Oct 16, 2020 · Chemistry Jule J. asked • 10/16/20 how to find atoms given density How many atoms of He can a balloon that has a 21 cm diameter hold? The density of Helium is 1.18 g/L. …

Mar 21, 2022 · To get the number of atoms, we must first find the number of moles and then apply Avogadro's number. density (ρ) = m/V (mass divided by volume) In this case, since we have a …