Ch. 10.2 - Mole-Mass and Mole-Volume Relationships

Ch. 10.2

Mole-Mass and Mole-Volume Relationships

Fill in the Blanks

Find the mass, in grams, of 4.52 x 10^-3 mol C₂₀H₄₂.

(round to 3 sig figs)

=

g C₂₀H₄₂

Fill in the Blanks

What is the mass of 2 mol of NaCl?

(round to the nearest whole number)

=

g NaCl

Fill in the Blanks

Find the number of moles in 3.70 x 10^-1 g of boron.

(round to 3 sig figs)

=

mol B

Fill in the Blanks

How many moles are in 16 grams of O₂?

(round to 2 sig figs)

=

mol O₂

Fill in the Blanks

What is the volume of 3.20 x 10^-3 mol of CO₂ gas at STP?

(round to 3 sig figs)

=

L CO₂

Fill in the Blanks

What is the volume of 3.70 mol of N₂ gas at STP?

(round to 3 sig figs)

=

L N₂

Fill in the Blanks

What is the volume of 16 grams of O₂ at STP?

(round to 2 sig figs)

=

L O₂

Fill in the Blanks

A gaseous compound composed of sulfur and oxygen, which is linked to the formation of acid rain, has a density of 3.58 g/L at STP. What is the molar mass of this gas?

(round to 3 sig figs)

=

g/mol S_xO_y

Fill in the Blanks

What is the density of N₂O gas at STP?

(round to 3 sig figs)

=

g/L N₂O