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Problem- You have 425 mL of an 0.33 M acetic acid solution. What volume (V) of 1.80 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.64? (The pKa of acetic acid is 4.76.)
I need proficient help in the above problems.
If a solution contains 28 g of potassium nitrate per 100 g of water at 25 degrees Celsius, is the solution unsaturated, saturated, or supersaturated
CaH2(s) + 2H2O(l) Ca(OH)2(aq) + 2H2(g) How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 10.0 L of H2 gas if the pressure of H2 is 769 torr at 28.0°C?
1.925 g of methanol is burned in a bond calorimeter with a heat capacity of 10.4 kj/c .how much heat is given off in kj/g if the temperature increase 4.19 c
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Explain what is the hydronium-ion concentration in a solution formed by combining 150mL of 0.10 M NaOH with 50mL of 0.30 M HCl
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Question- Construct a pigeon-hole diagram for a d^7- metal to illustrate all available microstates (terms) for this electronic configuration. Then construct a Orgel correlation diagram to illustrate how the ground F- and P-states split upon of an ..
Another solution of the same chemical is measured under the same conditions and has an absorbance of 0.81. What is its concentration?
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