Molar mass of an element is calculated by ?
A. adding all atomic mass
B. multiplying the atomic number with the atomic mass
C. multiplying the number of atom with its atomic mass
D. adding the number of atom with its atomic mass

August initially called the word molar which was originated from the Latin word "mole" meaning?
A. small mass
B. atom
C. molecular
D. large mass

Mole is technically a/an _____ of an atom.
A. element
B. number
C. mass
D. measurement

A 4.5 grams of Carbon has a mole value of ?
A. 16.5 mol
B. 54 mol
C. 7.5 mol
D. 2.67 mol

A 1.02 mol of Carbon dioxide gas has a mass of?
A. 45.02 g
B. 43.14 g
C. 44.88 g
D. 42.98 g

What is the mole of a 65g-water (18)?
A. 47 mol
B. 83 mol
C. 3.61 mol
D. 1170 mol

Molar mass of an compound is calculated by?
A. sum of the atomic masses
B. the sum of molar mass of elements
C. sum of atomic numbers
D. sum of all number of atoms

The compound H2O4 has a molar mass of?
A. 2
B. 34
C. 50
D. 48

What is the number of atoms in a sample 3.89 mol of Methane (NH4) gas (18)? *
A 6.022x10^23 atoms
B. 1.08x10^25 atoms
C. 7.01x10^26 atoms
D. 2.34x10^24 atoms

According to Amadeo Avogadro, his Avogadro's constant number equates to one value of?
A. substance
B. matter, substance, element or compound
C. atoms
D. element