The number 6.02 x 10²³ is called...

• Avogadro's scientific notation

• Avogadro's mole

• Avogadro's avocado

• Avogadro's number

What is the molar mass of NaCl?

• 58.45 g/mol

• 1.204 x 10²⁴ atoms

• 6.02 x 10²³ atoms

• 3.00 x 10²⁴ atoms

We use the periodic table to calculate...

• atoms

• molar mass

Which has more molecules?

• 1 mole H₂O

• 1 mole CO₂

• 1 mole CH₄

• All have the same number of molecules

The molar mass of an element is the mass of one ____ of the element.

• atom

• molecule

• mole

• gram

What is the molar mass of one mole of N₂ molecules ?

• 6.02 x 10²³ molecules

• 14.007 g

• 28.014 g

• 28.014 amu

Tags

NGSS.HS-PS1-1

Avogadro's number of representative particles is 6.02 X 10²³ and is equal to one_____.

• kilogram

• gram

• kelvin

• mole

How do you calculate the molar mass of MgCl₂?

• Add the mass of 2 moles of Mg to 1 mole of Cl

• Add the mass of 1 mole of Mg to 2 moles of Cl

What is the mass of one mole of aluminum?

• 26.981 g/mol

• 13 g/mol

• 53.985 g/mol

• 14 g/mol

Tags

NGSS.HS-PS1-1

What is the molar mass of Carbon?

• 6 g/mol

• 12 g/mol

• 20 g/mol

• 40 g/mol

Tags

NGSS.HS-PS1-1