Acetic acid (CH3COOH) has a Ka of 1.8x10^-5. a buffer is to be prepared with a pH of 5.00 from solutions of CH3COOH and sodium acetate (NaCH3COO) of the same concentration. How many mLs of NaCH3COO would have been added to 100 mL of CH3COOH to make the proper buffer solution??
titration question: How many moles of HCl must have been present in the 25mL of HCl solution in the 2 trials? Given: Trial 1: V of HCl= 25.00mL, V of NaOH used=29.50mL and M of NaOH=0.18M Trial 2: V of HCl=25.00mL, V of NaOH used=28.50mL and M of NaOH=0.18M
In the equation (8a^5)/b, how would you bring the b to the numerator and get rid of it in the denominator?
If I multiply again I get 52. Is that correct? Thanks
How many square inches of wrapping paper are needed to entirely cover a box that is 2 inches by 3 inches by 4 inches? I did lxwlh and got 26 Is this correct
What is the product of (3x+2) and (x-7)? I got 3xsquared-23x-14. Is this correct?
Thank you, so my answer would be 1.7
Peter walked 8,900 feet from home to school. How far to the nearest tenth of a mile did he walk? 1mile=5,280feet I got 1.6. Is this correct?
In" fire and ice" Frost compares fire to
You intend to estimate a population proportion with a confidence interval. The data suggests that the normal distribution is a reasonable approximation for the binomial distribution in this case. Find the critical value that corresponds to a confidence level of 98%. (Report an...