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If a #0.3*mol# quantity of calcium chloride is dissolved in a #1*L# water solvent what are the concentrations of #Ca^(2+)# and #Cl^#?

How do you solve #4( 9+ x ) = 136#?

Question #94099

A chemistry has 14.5 g of Al and 7.5 g of #O_2#. What would the excess be for the following reaction: #4Al + 3O_2 > 2Al_2O_3#?

How do you simplify #[ 4 ( 5 x ) ]#?

How do I differentiate #y=(tanx)^(x^2)# using natural logarithms?

Question #249ab

Question #d56d7

Question #64897

What is formal charge and how is it determined?

How do you evaluate #\frac { 3x  21} { 6x  42}#?

How do you evaluate #3\geq \frac { S} { 23}#?

Express 563 in exponential notetion ?

How do you solve #\frac { x + 2} { 9}  \frac { 2x + 9} { 5} = 2x + 3#?

An object travels North at #15 m/s# for #2 s# and then travels South at #2 m/s# for #8 s#. What are the object's average speed and velocity?

Question #09738

Question #0c929