Vocabulary Quiz for Molar mass

• True

• False

Fill in the blank: The chemical formula NaHCO₃ contains ______ sodium atom(s).

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is the chemical symbol for sodium in NaHCO₃?

• S

• Na

• So

• Sd

Fill in the blank: The compound NaHCO₃ is commonly used in ______.

• Cooking

• Cleaning

• Medicine

• All of the above

The 2nd beam (middle) weighs by ____.

• 10's

• 100's

• 0.1's

The rider on the middle beam has masses of ____.

• 10 grams

• 100 grams

• 0.1 grams

What is the increment of weight on the 1st beam?

• 10's

• 100's

• 0.1's

What is the relative atomic mass (RAM) of Sodium (Na)?

• 23

• 35.5

• 12

• 16

Fill in the blank: The relative formula mass (RFM) of NaCl is ____.

• 58.5

• 84

• 23

• 35.5

Fill in the blank: The mass of NaHCO3 is calculated to be ____.

• 84 g

• 58.5 g

• 23 g

• 35.5 g