Suppose 18.2 g of ammonium acetate is dissolved in 250. mL of a 0.50 M aqueous solution of sodium chromate. Calculate the final molarity of ammonium cation in the solution. You can assume the volume of the solution doesn't change when the ammonium acetate is dissolved in it. Round your answer to 3 significant digits.
CH3COONH4 < === > CH3COO- + NH4+
Number of moles = amount in g / molar mass
= 18.2 g/ 77.08248 g/mol
= 0.234 moles of CH3COONH4 or NH4+
Volume = 250 ml or 0.250 L
Molarity = number of moles / volume in L
= 0.234 Moles / 0.250 L
= 0.936 M
Suppose 18.2 g of ammonium acetate is dissolved in 250. mL of a 0.50 M aqueous...
Suppose 13.9 g of lead(II) acetate is dissolved in 250. mL of a 0.70 M aqueous solution of ammonium sulfate. Calculate the final molarity of lead(II) cation in the solution. You can assume the volume of the solution doesn't change when the lead(II) acetate is dissolved in it. Be sure your answer has the correct number of significant digits. ПМ x 6 ?
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Suppose 13.2 g of lead (II) acetate is dissolved in 200. mL of a 0.50 M aqueous solution of ammonium sulfate Calculate the final molarity of acetate anion in the solution. You can assume the volume of the solution doesn't change when the lead (II) acetate is dissolved in it. Round your answer to 3 significant digits.
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