For a particular experiment, Nadia must measure the following quantities:
2 answers:
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The mass percent of oxygen in Nickel()sulfate is
percent.
At first, we look up the atomic masses for the element from the periodic table.
The atomic masses are found to be:
- Ni is
- S is
- O is
Next, we determine how many grams of each element are present in one mole of
of Ni
of S
of O
The mass of one mole is:
So, The mass percent of oxygen
percent.
To learn more about Mass percent, refer to:
Answer:
C. L mol-1 s-1.
Explanation:
Hello,
In this case, a rate law has the following general form:
Whereas r accounts for the rate measured in M/s units, k is the rate constant whose units depends on the order of the reaction, C the concentration of the species in M units, contributing to the rate and x the order of the reaction.
In such a way, since in this case x equals two (second-order rate), the units of k turns out:
Which matches with C. L mol-1 s-1.
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