How many moles of mgSo4 are in a 0.671g
sample?
Number of moles of MgSO4 = mass of MgSO4 / molar mass of MgSO4
Number of moles of MgSO4 = 0.671 g / 120.366 g/mol = 0.00557 mole
Therefore, the number of moles of MgSO4 = 0.00557 mole
How many oxygen atoms are in 3.02 moles of MgSO4? 1.82 x 1024 atoms 1.59 x 1023 atoms 2.41 x 1024 atoms O 7.27 x 1024 atoms
3. How many moles of C2H60 are in a 24.5 gram sample? 4. How many moles of oxygen atoms are in 2 moles of Na3PO4 ? 5. How many hydrogen atoms (individual atoms) are in 2 moles of of NH3? www.norcominc.com www.morcom.com IN EXCEED
A. How many moles of silicon dioxide, SiO2 , are present in a sample that contains 3.61 moles of oxygen atoms? B. How many moles of oxygen atoms are present in a sample that contains 2.95 moles of SiO2 ? C. How many moles of sulfur atoms are present in a sample that contains 1.92 moles of disulfur decafluoride, S2F10 ? D.How many moles of S2F10 molecules are present in a sample that contains 6.13 moles of sulfur atoms? E....
How many moles of nickel(II) bromide, NiBr2, are present in a sample that contains 2.63 moles of bromide ions? How many moles of bromide ions are present in a sample that contains 4.56 moles of NiBr2?
a)The molecular formula of fructose is C6H12O6 how many moles of fructose are in a sample containing 1.43x10^24 molecules of fructose? b)The molecular formula of fructose is C6H12O6 how many moles of carbon are in a sample containing 1.43x10^24 molecules of fructose? c) The molecular formula of fructose is C6H12O6 how many atoms of carbon are in a sample containing 6.23 moles of fructose? d)The molecular formula of fructose is C6H12O6 how many moles of fructose are in a 10.00g sample...
How many moles of As are there in a sample of As that contains 5.35x1024 atoms? moles
A sample of propane, C3H8, contains 15.4 moles of carbon atoms.
How many total moles of atoms does the sample contain?
A sample of propane, C3Hs, contains 15.4 moles of carbon atoms. How many total moles of atoms does the sample contain? Express the total number of moles of carbon and hydrogen numerically. View Available Hint(s) moles Submit Previous Answers
Part A. In a sample of 91.71 g of nitrogen, how many moles of nitrogen will be present? In the same sample of nitrogen, how many atoms of nitrogen will be present? Part B. How many atoms are there in 2.55 moles of strontium (Sr) Part C. How many moles of carbon does 2.97E+24 atoms of carbon represent?
A sample of benzene, C6H6, contains 2.5 moles. How many moles of carbon are present in this sample?
A. How many molecules are present in a sample of this compound that contains 2.98 moles of 2-methyl-1-butanol? B. How many moles of 2-methyl-1-butanol are present in a sample of this compound that contains 7.15x10^22 carbon atoms? C. How many carbon atoms are present in 1.48 moles of this compound (pentanal)? D. How many moles of pentanal are present in 1.82x10^22 molecules of this compound?