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Determine the ammonium ion concentration of a solution that results when 4.53 g of (NH4)2SO4 is dissolved in 100 mL of water.
Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16. When pH is 7.8
A solution has a hydroxide-ion concentration of 9.22 × 10-5 M. What is its hydronium-ion concentration
its freezing point depression constant is 8.37*C per molal. Use your corrected average temperature (5.0*C) to find the molality of the water in the alcohol. Find the percent water in the alcohol.
Calculate the [OH-] of each aqueous solution with the following [H3O^+] at 25 degrees c: a. Baking soda, 1.0x 10^-8M b. Orange juice 2.0x 10^-4 M c. milk 5.0 x 10^-7 M D bleach 4.8x 10^-12m
calculate the expected change in temperature for 4.5 g of nh4no3 dissolved in 100.0 ml of h2o.assume that the
A 155 mL sample of rainwater is titrated using 0.0095 M NaOH solution. If 4.8 mL of the NaOH solution was required to reach the endpoint, what was the pH of the rainwater?
The reactant concentration in a zero-order reaction was 9.00×10-2M after 175 s and 4.00×10-2M after 325 s. What is the rate constant for this reaction?
A sample of sodium reacts completely with 0.568 (kg) of chlorine, forming 936 (g) of sodium chloride. What mass of sodium reacted
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt. Pt|VOSO4 (0.0824 M), V2(SO4)3 (0.395 M), HClO4 (0.0100 M) || SCE Calculate the cell potential.
Write the correct equation for the ready formation of a metallic deposit on placing a Ni(s) strip into 0.1 M copper nitrate.
How many equivalents of electrons were delivered to the unknown soln. What is the normality of the unknown solution
Determine how many grams of aluminum hydroxide will get from 18.2g of aluminum sulfide and determine the density of this newly minted penny
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