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Explain what molar ratio of HPO4 2- to H2PO4 - in solution would produce a pH of 7.0? Phosphoric acid (H3PO4) a triprotonic acid has pKa values- 2.14, 6.86, and 12.4. Merely one of the pKa values is relevant here.
Carbon monoxide gas burns in oxygen to form carbon dioxide gas. Write a balanced equation for the reaction and determine the volume of oxygen needed to react completely with 910 mL of CO at 40.0°C and 1.00 atm
Explain the whole process: what is the influence in adding alkali with different concentrations(such as: 2%, 1%, 0.5%, 0.125%, and 0.065% NaOH) with Saliva and starch paste, ALSO NEUTRALIZING IT WITH HAc
a condenser is to be supplied with 0.0095 m3s of cooling water at 25oc. what diameter of schedule 40 pipe should be
A 4.369g sample of metal is placed in a flask. water is added to the flask and the total volume in the flask is read to be 126.4ml.
List possible manipulation errors that might contribute to the following errors in results
Why is it necessary to first "process" the broccoli before preparing the test sample? What factors are affected that will adversely influence
How many moles of methane (CH4) are required to react completely with 139 L of carbon tetrachloride according to the following reaction at 0 C and 1 atm
Look at the list of fabrics that are woven into the multifiber fabric. Which do you suspect will be the most difficult to dye? Explain why.
how many grams of oxygen are produced. what are the limiting and excess reactants and how much ER remains
How many non-bonding valence electrons are there in a molecule of citric acid? please show how to calculate/count them up.
While 14 g of baking soda (NaHCO3) is added to 550.0 mL of vinegar an aqueous solution of CH3COOH at 5% concentration by mass, the vinegar neutralizes the baking soda as well as converts it to CO2 gas, which bubbles out of the solution. Find out t..
Al(OH)4-(aq) → AlO2-(aq) + 2 H2O(l) What is the oxidizing agent? What is the reducing agent? What is the substance being oxidized?
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