Answer:
c
Explanation:
because that one will always be different from the others
Answer:
![2.13\%](https://tex.z-dn.net/?f=2.13%5C%25)
Explanation:
Quantity of copper measured by a student = 4.6 grams
Original quantity of copper = 4.7 grams
Error in measurement = Original quantity of copper - Quantity of copper measured by a student
grams
To find the percent error, apply the following formula:
Percent error = (Error in measurement / Original quantity of copper) × 100
![=\frac{0.1}{4.7}(100)=2.13\%](https://tex.z-dn.net/?f=%3D%5Cfrac%7B0.1%7D%7B4.7%7D%28100%29%3D2.13%5C%25)
There’s no word bank or anything to go off of
p
K
a
=
5.4
pH
=
3.7
Explanation:
p
K
a
is simply
−
log
10
(
K
a
)
. It is a constant at any temperature and does not depend on the molarity of the solution.
p
K
a
=
−
log
10
(
K
a
)
=
−
log
10
(
4.0
×
10
−
6
)
=
5.4Explanation: