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How many milliliters of 12.0 M hydrochloric acid (
H
C
l
) is required to prepare 0.75 L of a 0.25 M solution of
H
C
l
?
How do you solve
4
x
2
=
9
x
?
How do you factor
5
a
−
20
?
How do you prove
(
cos
x
)
(
csc
x
)
(
tan
x
)
=
1
?
What does STP in chemistry stand for?