The OH concentration in an aqueous solution at 25 °C is 3.1 x 103. What is [H*]?

Determine how many moles of hydrochloric acid there are in a 4.00 L solution of 0.200 M HCl(aq).

CH4

Write the balanced chemical reaction showing the neutralization of aqueous hydrochloric acid with aqueous sodium hydroxide.

What is the answer?

5) How would you prepare 100 mL of a 2 x 10° ppm NaOH solution? 6) In a titration experiment, a student finds that 25 mL of NaOH solution are needed to neutralize 0.6 g of K2HPO4. What is the concentration (in ppm) of the NaOH solution? 7 Calculate the volume required to prenare 500 ml of 2500 pnm HCL

NaHCO3 (aq) + CH3 COOH (aq) —> CO2 (g) + H2O (l) + CH3 COONa (aq)   Calculate the molar concentration of 100ml of vinegar (CH3COOH) and 2.5 ml of baking soda (NaHCO3). Note that the concentration of table vinegar is about 1 mol/L and the density of baking soda is 2.2 g/cm3

Complete the balanced chemical reaction for the following weak base with a strong acid. In this case, write the resulting acid and base as its own species in the reaction. NH3(aq) + HCl(aq) – ->

Strontium hydroxide, Sr (OH)2(aq), is a strong base. What is the [OH(aq)] -3 for a solution that is prepared by dissolving 2. 5 x 10 moles of strontium hydroxide in 500.0 mL of water? O5.0 x 10-³ mol/L O1.0 x 10-³ mol/L O5.0 x 10-4 mol/L O1.0 x 10-2 mol/L

NaOH Ph 'Ph Δ Br