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1) What mass of sodium carbonate must be used to get 300.0 mL solution with a 2.50 mol/L concentration? And what volume of water must 60.0 g of potassium hydroxide be added to in order to get 0.10 mol/L solution?
2) Describe how you would make a 1.00 L solution of 2.00 mol/L calcium nitrate.
If you add a strong acid to a pure solution, then a weak acid to another pure solution. What does the ph levels in both containers do. level out equally or does one level or rise quicker than the other
By comparison, what would it cost to heat the home using a ground source heating system with an electrically powered heat pump that has a COP of 5.0?
Problem- A 2.5 N solution of Na2SO4 is diluted 5:25 and diluted again 3:100. How many grams of Na2SO4 are present in 1000ml of the final dilution? What is the concentration of the final solution in terms of normality, molarity, and %?
Which one of these samples contains the smallest number of molecule A) 1.0L of H2 at STP(0c and 1atm) B) 1.0L of N2 at STP. C) 1.0 L of H2at 20 c and 760 torr. D) 1.0L of N2 at 0c and 800torr. E) 1.0 L of He at STP
When 1.0 m aqueous solutions of sodium carbonate as well as hydrochloric acid react it produces a carbon dioxide, water and sodium chloride. State the balanced chemical equation for the reaction described above (include states of matter)
Explain what Carboxylic acid is produced from the acid hydrolysis of butyl acetate butyl ethanoate? Draw it out.
How do you find which compounds are electrolytes, nonelectrolytes, strong electrolytes, weak electrolytes?
Is temperature an important factor to consider when determining the Ksp (solubility product constant) when doing this titration
Calculate the concentrations of all species present [Na+], [C6H5CO2-], [C6H5CO2H], [H3O+] and [OH-] in 0.040M sodium benzoate
The small bags of silica gel you often see in a new shoe box are placed there to control humidity. Despite its name, silica gel is a solid. It is a chemically inert, highly porous, amorphous form of SiO2
Question- An electrochemical cell has a positive standard cell potential but a negative cell potential. what must be true of Q and K for the cell
Explain why corresponding phosphorus and arsenic compounds resemble each other more closely than they do nitrogen compounds
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