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Search Results for moles - All Grades

166 questions match "moles". Refine Your Search

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Grade 10 Stoichiometry
How many moles are in 75.0 grams of nitrogen gas, N2?
  1. 3.00 moles
  2. 0.333 moles
  3. 2.68 moles
  4. 4.52 moles
Grade 11 Stoichiometry
Grade 10 Stoichiometry
How many moles are in 1.2×103 grams of ammonia, NH3?
  1. 126.0 moles
  2. 70.6 moles
  3. 95.3 moles
  4. 1200 moles
Grade 11 Chemistry
How many moles are in 104.0 grams of chromium?
  1. 0.5 mole
  2. 1.0 mole
  3. 1.5 moles
  4. 2.0 moles
Grade 11 Stoichiometry
Grade 11 Solvents, Solutes, and Solubility
Which of the following correctly represents the equation for the molarity of a solution?
  1. molarity=moles of solutemoles of solvent
  2. molarity=moles of solventmoles of solution
  3. Both (a) and (b)
  4. molarity=moles of solutemoles of solution
Grade 11 Stoichiometry
The unit "grams" is used in which conversions?
  1. mass to mole, mole to mass
  2. volume to mole, mole to volume
  3. atoms to mole, mole to atoms
  4. volume to atoms, atoms to volume
Grade 12 Physics
What does molar mass represent?
  1. The volume of one mole
  2. The weight of one mole
  3. The density of one mole
  4. The temperature of one mole
Grade 11 Stoichiometry
All of the following are valid combinations EXCEPT
  1. Liters/moles.
  2. particles/moles.
  3. grams/moles.
  4. kg/ºC.
Grade 12 Physics
What does the molar mass represent?
  1. Number of molecules in one mole
  2. Weight in grams of one mole of a substance
  3. Number of atoms in one mole
  4. Volume of one mole
Grade 11 Stoichiometry
Dividing a number by 22.4 converts between which two units?
  1. moles to liters
  2. mass to atoms
  3. liters to moles
  4. atoms to mass
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