Elly

A solution having a volume of 3.0L contains 23 mmol of Oxygen 2. What is the molarity of this solution?

In a certain trial, the initial concentrations of Fe3+ and SCN- are both 1.00x10^-3 M and the initial concentration of FeSCN2+ is zero. Suppose that after the reation reaches equilibrium, the concentration of FeSCN2+ was found to be 1.19x10^-4 M. Use this...

Refer to the calibration curve shown in the experiment. If the absorbance of the solution is 0.400, what is the concentration of the iron in that solution? Show or explain how you arrived at your answer.

After earning interest the balance of an account is $420. The new balance is 7/6 of the orginial balance. How much interest was earned?

How would you distinguish between calcium hydrogen carbonate and sodium hydrogen carbonate without using any lab chemical

from a window 25meters above a street,the angle of elevation of the top of a wall on the opposie side is 15'.If the angle of depression of the base of the wall from the window is 35',find: (i)the width of the street. (ii)the hieght of the wall on the oppo...

you cant find tings in nature ran by batteries! hence the meaning of nature!

what are some examples of light energy???

A garden snail moves 1/6 foot in 1/3 hour

lolurmomUWU has a good point. I now do online school because I was bullied a lot and I could not function correctly in a regular classroom. I am very lucky to do school online because I don't want my depression and mental illnesses to get worse like it ha...

I can't really understand the answer