How many grams of potassium carbonate, K2CO3, must be dissolved to prepare 400. mL of a...

Question

Question

How many grams of potassium carbonate, K₂CO₃, must be dissolved to prepare 400. mL of a 0.127 M aqueous solution of the salt?

Answer: ____ g

science chemistry

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

How many grams of sodium phosphate, Na3PO4, must be dissolved to prepare 400. mL of a...

How many grams of sodium phosphate, Na3PO4, must be dissolved to prepare 400. mL of a 0.182 M aqueous solution of the salt?
How many grams of cobalt(II) sulfate, CoS04, must be dissolved to prepare 300. mL of a...

How many grams of cobalt(II) sulfate, CoS04, must be dissolved to prepare 300. mL of a 0.172 M aqueous solution of the salt? g
Consider 125 grams of potassium carbonate dissolved in water to make 775 mL of solution. Identify...

Consider 125 grams of potassium carbonate dissolved in water to make 775 mL of solution. Identify the correct concentrations for the species below. Consider 125 grams of potassium carbonate dissolved in water to make 775 mL of solution. Identify the correct concentrations for the species below. Concentration (in M) of carbonate ions Answer 1 Choose...(2.34) (0.00234) (0.585) (1.17) (0.00117) (3.51) Concentration (in M) of potassium ions Answer 2 Choose...(2.34) (0.00234) (0.585) (1.17) (0.00117) (3.51) Concentration (in M) of potassium carbonate...

You need to make an aqueous solution of 0.227 M potassium carbonate for an experiment in...

You need to make an aqueous solution of 0.227 M potassium carbonate for an experiment in lab, using a 250 mL volumetric flask. How much solid potassium carbonate should you add? __ grams How many milliliters of an aqueous solution of 0.122 M calcium acetate is needed to obtain 2.12 grams of the salt? __mL
How many grams of potassium bromide are needed to prepare 300.0 mL of a solution that...

How many grams of potassium bromide are needed to prepare 300.0 mL of a solution that is 2.0%w/v? Do NOT include any units, just answer with the NUMBER of grams, for example: 4.2 or 13 or 220. Type your response What is the new concentration, if solvent is added to 20.0 mL of a solution that is 4.0%w/v, until the total volume of the solution is 100.0 mL? (DO NOT include any units with your answer.) Type your response 25...
Potassium carbonate can neutralize hydrobromic acid by the reaction 2 HBr + K2CO3 --> 2 KBr...

Potassium carbonate can neutralize hydrobromic acid by the reaction 2 HBr + K2CO3 --> 2 KBr + H2O + CO2 Is 27.1 grams of potassium carbonate enough to neutralize a solution that contains 38.0 grams of hydrobromic acid? _____YesNo How many grams of carbon dioxide will be released in the reaction? g

Suppose 15.2 g of nickel(II) iodide is dissolved in 200. mL of a 0.50 M aqueous solution of potassium carbonate.

Suppose 15.2 g of nickel(II) iodide is dissolved in 200. mL of a 0.50 M aqueous solution of potassium carbonate. Calculate the final molarity of nickel(II) cation in the solution. You can assume the volume of the solution doesn't change when the nickel(II) iodide is dissolved in it. Be sure your answer has the correct number of significant digits.
How many grams of sodium hydroxide (NaOH) are must be dissolved in 290.0 mL of water...

How many grams of sodium hydroxide (NaOH) are must be dissolved in 290.0 mL of water to produce a 1.3 M solution?
aqueous solution of potassium carbonate (K2CO3) and iron (iii) react to form a brownish red precipitate...

aqueous solution of potassium carbonate (K2CO3) and iron (iii) react to form a brownish red precipitate of iron (iii) carbonate. what volume of 0.2500M iron(iii) sulfate is required to react completely with 2.250g of potassium carbonate? A) 0.044L B) 63.60 mL C) 21.70mL D) 0.909 mL E) 31.22L

How many grams of NaOH are required to prepare 400. ml of 3.0 M NaOH solution?...

How many grams of NaOH are required to prepare 400. ml of 3.0 M NaOH solution? uestion orrect ark 1.00 out of Select one: a.800 g Flng question b. 300g C. 12 g d. 48 g The correct answer is: 48 g