How many moles of CO2 was added?

Question

Calculate the moles of CO2 added to the solution by all of the breaths used to make the solution
white. Report this value to three significant figures

Data:
initial mass of flask: 133. 88g
number of breaths: 5
mass of flask after breaths added: 133.98

HIX Tutor · Accepted Answer

undefined What information do you have about the situation? Have you measured anything specific?

Noah Aldrich · Answer

#2.27xx10^-3 " mol" " CO"_2# First, find the mass of #"CO"_2# added to the solution: #133.98 " g" - 133.88 " g"=0.1" g" # Then convert from grams to moles of #"CO"_2# by dividing by its molecular weight (#44.01 " g/mol")#: #0.1 cancel" g" "CO"_2 * (1 " mol CO"_2)/(44.01 cancel" g" " CO"_2)=2.27xx10^-3 " mol" " CO"_2 #

Jose Ayala · Answer

undefined To determine how many moles of CO2 were added, we need to know the amount of CO2 added in grams and its molar mass. Once we have this information, we can use the formula:

$$ \text{moles} = \frac{\text{mass (in grams)}}{\text{molar mass}} $$

For example, if we added 44 grams of CO2 (which is the molar mass of CO2), then the number of moles added would be:

$$ \text{moles} = \frac{44 \text{ grams}}{44 \text{ g/mol}} = 1 \text{ mole} $$

So, if 44 grams of CO2 were added, it would correspond to 1 mole of CO2.

How many moles of CO2 was added?

Calculate the moles of CO2 added to the solution by all of the breaths used to make the solution white. Report this value to three significant figures Data: initial mass of flask: 133. 88g number of breaths: 5 mass of flask after breaths added: 133.98

Calculate the moles of CO2 added to the solution by all of the breaths used to make the solution
white. Report this value to three significant figures

Data:
initial mass of flask: 133. 88g
number of breaths: 5
mass of flask after breaths added: 133.98