Counting Atoms and molar mass

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

Front

Calculate the molar mass for Al(OH)₃.

Back

78.0 g/mol

Front

Calculate the molar mass of NH₄NO₂.

Back

64 g/mol

Front

How many atoms are present if there is no subscript following the element symbol?

Back

only 1

Front

What is the Molar mass of Baking Soda (NaHCO₃)?

Back

84 g

Front

Define molar mass.

Back

The mass of one mole of a substance, typically expressed in grams per mole (g/mol).

Front

What is the formula to calculate molar mass?

Back

Sum of the atomic masses of all atoms in the molecular formula.

Front

How many oxygen atoms are in 2H₂O?

Back

4

Front

What is the molar mass of water (H₂O)?

Back

18.0 g/mol

Front

If a compound has a subscript of 3 after an element, how many atoms of that element are present?

Back

3