QUIZ ON MOLAR MASS

How many grams of antimony are there in 0.34 moles antimony?

• 2.05x10^23g Sb

• 1.68x10^21g Sb

• 6.87x10^-23g Sb

• 41.40g Sb

How many moles of vanadium are there in 75g vanadium?

• 3820.50g V

• 1.47g V

• 6.34x10^-21g V

• 5625.00g V

A bottle of calcium supplements in tablet form contains 268g calcium. How many atoms are present in 268g calcium?

• 1.78x10^-20atoms Ca

• 6.47x10^27atoms Ca

• 4.03x10^24atoms Ca

• 1.11x10^-23atoms Ca

What is the mass in grams of 2.06x10^23 atoms of potassium?

• 13.4g K

• 3.17x10^22g K

• 8.75x10^26g K

• 80.55g K

Which has more mass, 3.68g neon atoms or 1.10g sodium atoms?

• neon, 1.23X10^_22atoms

• sodium, 4.20x10^-23atoms

• neon, 1.10x10^23atoms

• sodium, 2.88x10^22atoms