many moles of Cobalt (Co) atoms are there in 6.00×10^9 (6 billion) Co atoms?
many moles of Cobalt (Co) atoms are there in 6.00×10^9 (6 billion) Co atoms?
How many moles of cobalt (Co) atoms are there in 6.00 x 10° 6.00 billion) Co atoms? mol Enter your answer in scientific notation.
5. Calculate the number of Co ions in 5.25g of cobalt (IlI) carbonate. 6. How many milligrams of magnesium are in 8.45 x1022 atoms? 7. Determine the mass of oxygen (in grams) present in 1.0g of aspartame, C14H18N2O5 (MM 280.18). 8. Consider the following reaction: SO2 SC4 + MM 173.87 НаО HCI + MM 18.01 MM 64.07 MM 36.46 a) balance the above reaction. b) How many moles of sulfur dioxide are produced when 9.12 moles of water react? c)...
1. How many moles of Cs are there in a sample that contains 3.17×1022cesium atoms? 2. How many cesium atoms are there in a sample that contains 3.69 mol of Cs? 3. How many moles of Kr are there in a sample that contains 3.23×1022krypton atoms? 4. How many krypton atoms are there in a sample that contains 1.14 mol of Kr? 5. What is the mass of 1.38×1024atoms of magnesium ? 6. How many magnesium atoms are there in...
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...
How many moles of ions are contained 8.77 moles of cobalt (III) sulfite?
1. What is the mass of 1.38×1024atoms of magnesium ? 2. How many magnesium atoms are there in 28.6 grams of magnesium ? 3. What is the mass of 1.69×1023atoms of lead ? 4. How many lead atoms are there in 28.8 grams of lead ? 5. How many moles of Ga are there in a sample that contains 10.9 grams of gallium? 6. How many grams of gallium are there in a sample that contains 2.19 mol of Ga?...
How many moles of product are formed when 0.500 moles of P4O10 reacts with 6.00 moles of H2O? P4O10 + 6 H2O →4 H3PO4
3.41 How many moles of tantalum atoms correspond to 1.56 x 10 atoms of tantalum?
Chemical Quantities and Chemical Composition 1. How many atoms are in 15 moles of sodium? 2. How many moles are in 2.1 x 10^22 molecules of H2SO4? 3. How many atoms are in 7.22 moles of gold? 4. How many atoms are in 90.43 of Xenon? 5. How many grams do 1.96 x 10^24 atoms of sodium weight? 6. Calculate the molar mass of AgNO3. 7. Calculate the molar mass of Fe2O3. 8. Calculate the molar mass of CaCO3 9....
10. Given 6.0 g of carbon, how many moles of O atoms are needed to completely react to form CO,? a) 0.25 mol b) 0.50 mol c) 1.0 mold) 1.5 mole) 2.0 mol