How much will the ph change

Assignment Help Chemistry

Reference no: EM13152468

A beaker with 130 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.70 mL of a 0.460 it M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.

Reference no: EM13152468

Questions Cloud

What is the solubility of the salt : A 3.00 g sample of a salt dissolves in 9.10 g of water to give a saturated solution at 25°C. What is the solubility (in g salt/100 g of H2O) of the salt?

Total static-budget variance : What is the total static-budget variance? A. $5,200 favorable b. $3,320 favorable c. $1,880 unfavorable d. $1,880 favorable 250. _______________ is a carefully predetermined amount usually expressed on a per-unit basis.

Approximate net present value of investment : The equipment will provide cost savings of $7,300 and will be depreciated straight-line over its useful life with no salvage value. Cleaners requires a 10% rate of return. What is the approximate net present value of this investment?

Fixed efficiency and fixed production volume variances : What are the fixed efficiency and the fixed production volume variances, respectively, using 4-variance analysis? A. no efficiency variance,

How much will the ph change : A beaker with 130 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M.

Essay comparing blood diamonds and gold trade : I'm going to have to write an in class essay comparing Blood Diamonds and Gold trade in Africa. I'll have to explore political, social, and economic consequences and their similarities across commodities. After doing research I know that Gold and Blo..

Order for the company to meet goals : If there were 30,600 units of inventory on hand on December 31, 2007, how many units should be produced in January, 2008 in order for the company to meet its goals?

Unit cost for the direct materials : What is the unit cost for the direct materials for 19x1, assuming direct materials cost is for the production of 507,000 units? A. $3.20 b. $3.80 c. $4.00 d. $4.32 128.

Exiles or emigrants or expatriates : Write an explanation to this quote "it may be that writers in my position, exiles or emigrants or expatriates, are haynted by some sense of loss, some urge to reclaim, to look back, even at the risk of being mutated into pillars of salt" Salman Rushd..

User Account

All Pages