Calculate the number of atoms in a 6.83×103 g sample of lithium.
Calculate the number of atoms in a 3.42 × 103 g sample of strontium.
Question 13 of 18 Calculate the number of atoms in a 7.52 x 103 g sample of strontium. 109.3 atoms 3 MacBook Pro 4 5 6 8
Be sure to answer all parts. Calculate the number of lithium ions, sulfate ions, S atoms, and O atoms in 10.2 g of lithium sulfate. Enter your answers in scientific notation.
Calculate the number of atoms in a 7.52 x 10 g sample of carbon. atoms atoms
Calculate the number of H atoms present in a 5.00 g sample of NH3 (g)?
Calculate the mass, in kg, of each sample. 1. 6.27×1026 cadmium atoms. 2. 1.93×1027 nickel atoms. 3. 6.43×1027 manganese atoms. 4. 1.89×1029 lithium atoms. Calculate the number of atoms in each sample. 1. 11.781 g Cr 2. 31.750 g S 3. 23.286 g Pt 4. 82.515 g Sn How many moles of atoms are in 7.00 g of 13C?
Calculate the number of atoms in a 6.73 x 10 g sample of strontium. 26 1.09 x10 atoms
4. Calculate the number of H atoms present in a 5.00 g sample of NH (g)? (3 Pts.) 2
How many total atoms are in 0.170 g of P2O5? How many moles of Fe2O3 are in 211 g of the compound? For the given elements, convert the given mole amounts to grams. How many grams are in 0.0464 moles of sodium? How many grams are in 0.250 moles of cobalt? How many grams are in 0.790 moles of selenium? Calculate the number of atoms in a 5.49 × 103 g sample of lithium. How many moles of MgS2O3 are...
Calculate the number of hydrogen atoms in a 60.0 g sample of ammonia (NH3). Be sure your answer has a unit symbol if necessary, and round it to 3 significant digits. 0 X 5 ? Check