Friday
December 13, 2013

# Posts by Monique

Total # Posts: 280

chemistry
I got - log (0.0045) = 4.75

chemistry
what is the ph of a solution that has [H] = 0.0045 can you show steps pls

chemistry
I need help calculating [H3O] from pH and the pOH scale using my calculator. I have a TI-30XIIS

chemistry
what is the pH of a solution that has a H+ concentration equal to 1.76 x 10-5M? I got 4.75 is this correct

chemistry
what is the concentration of the hydroxide ion in an acidic solution?

chemistry
i think this is because water always has some ions in it. am i right

chemistry
If pure water cant conduct electricity why do we have to be careful with electrical appliances near water.

chemistry
a 25.0ml dsmplr og 0.105M HCI was titrated with 31.5ml of NaOH. What is the concentration of the NaOH I got 0.0834M am I correct HCI + NaOH -----> H20 + NaCl 25.0ml HCI x 1L/1000mlx0.105 mol HCI/1L HCI X 1 mol NaOH/ I mol HCI = 0.0834M

chemistry
A 13.03 g sample contains only ethylene glycol (C2H6O2) and propylene glycol (C3H8O2). When the sample is added to 100.0g of pure water, the resulting solution has a freezing point of -3.5C. What is the percent composition of ethylene glycol and propylene glycol in the origina...

corrected repost chemistry
to what volume should you dilute 125mL of an 8.00M CuCl2 solution so that 50.0mL of the diluted solution contains 5.9g CuCl2 I have a hard time determing the M1V1=M2V2 is

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