# Chemistry

Sorry I nee to add something. The Ka for HF = 1 x 10^-3.

Is 50.0 mL of 1.0 M HF and 25.0 mL of 1.0 M NaOH a buffer with an approximate pH of 3?

I say yes. Right?

1. 👍 0
2. 👎 0
3. 👁 56
1. See my earlier post. Using Ka = 1 x 10^-3, yes, pH = 3.

1. 👍 0
2. 👎 0
posted by DrBob222

## Similar Questions

1. ### Substitution Method in Algebra

nee help with any of the examples help me to solve this. thanks. y= 2x +3 y= 4x -1

asked by Andree on November 12, 2008
2. ### Chemistry

This is a balancing eqn Im finding rather tricky: ___Fe(NH4)2(SO4)2 6H2O + ___ H2C2O4 + ___K2C2O4 + ___ H2O2 ---> ___K5Fe1(C2O2)2 3H2O + ___(NH4)2(SO4) + ___H2SO4 + ___ H2O remember H2O2, an oxidizing agent, was used in synthesis,

asked by Tokey on July 22, 2010
3. ### Legal Studies

I nee help to write my legal studies assignment that's due tomorrow,any want to help?

asked by Kaylee on August 15, 2013
4. ### History Civil War

I nee help to find a picture of the Union commander Edward M King. He was in the battle of Johnsonville.

asked by John on February 17, 2008
5. ### critical thinking

I have this crt205 9 week final project due and I don't knwo how to do it.I'm confused of how to fill out the forms and the topic I nee to use.

asked by edith on April 13, 2013
6. ### pre algebre

nee help adding/subtracting fractions, x represents a number, solve by writing answer as integer or simple fraction.

asked by tee on March 2, 2014
7. ### math

How many mls of 55% Dextrsoe and water do you nee to make 980 mls of 27.5 Dextrose? No clue on what to do.

asked by Brian on June 1, 2015
8. ### Simple ratio question but confused.

This is ratio Question but i m not fimilar with this type of ratio . 1/3:x=1/3 Plz guide me some one .. I cam with answe 1/9* nee d help

asked by shan on July 24, 2010
9. ### GUESS MY RULE WITH LETTERS

I CAN`T FIND OUT WHAT THE RULE IS I KNOW THAT THE LETTERS THAT ARE IN THE RULE ALL HAVE STRAIGHT LINES N THE ONES THAT DO NOT FIT ALL HAVE CURVES I JUST NEE TO KNOW WHAT THE RULE IS PLEASE SOMEONE HELP ME

asked by MELISSA on January 6, 2014
10. ### bartlett hill,math

add the like terms together.a+b+a+2b Okay. Well, the questoin says to add the like terms together, that means add the A's together and add the B's together. a+b+a+2b Alright, so your a's and your first b don't have a number in