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Q 1/4
Score 0
What is the density of an aqueous solution that has a mass of 10.081 g and 12.5 mL? Remember sig figs!
30
0.806777777777
0.806
0.706
.80622222
Q 2/4
Score 0
An experiment produced 0.10 g CO2 with a volume of 0.056 L at STP. If the accepted density of SO2 at STP is 1.96 g/L, what is the approximate percent error?
30
8.2%
7.1%
110%
92%
4 questions
Q.
What is the density of an aqueous solution that has a mass of 10.081 g and 12.5 mL? Remember sig figs!
1
30 sec
Q.
An experiment produced 0.10 g CO2 with a volume of 0.056 L at STP. If the accepted density of SO2 at STP is 1.96 g/L, what is the approximate percent error?
2
30 sec
Q.
A student hypothesizes that the solubility of a particular solute in water is nearly constant as temperature varies. The student can best test the hypothesis by doing which of the following?
3
30 sec
Q.
The most efficient way to determine whether a reaction is an exothermic chemical reaction is to use -
