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Test Review

This test review covers essential concepts in the mole theory, including calculating molar mass, mole conversions, particles in moles, and determining mass from particles.

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Test Review

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  1. Test Review Mole Concept

  2. Which of these is true?A. Different substances with the same number of moles have the same mass.B. One mole of any substance contains the same number of particles.C. Mole is a unit of energy.D. One mole of any substance contains 6.02 x 1021 particles. B

  3. What is the molecular mass of C4H10? 58 amu

  4. What is the molar mass of HNO3? 63 g

  5. How many moles are there in 60.0 g of carbon? 5.00 moles

  6. How many particles are there in 0.25 moles of a substance? 1.5 x 1023 particles

  7. What is the mass of 6.02 x 1023 molecules of CO2? 44 g

  8. Which is equal to 45 g of H2O?A. 1 moleB. 1.5 molesC. 2.0 molesD. 2.5 moles D

  9. What is the molar mass of CaCl2? 110 g

  10. What is the mass of 0.75 moles of CaCl2? 83 g

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