How may grams of sodium chloride must be dissolved in 411.07 mL of total solution to...
how many grams of sodium chloride would need to be dissolved to make 750 mL of a 1.7 M solution?
how many grams of sodium formate must be dissolved in a 0.300 M solution of formic acid to make 400.0 ml of a buffer solution with a pH=4.60?
How many grams of sodium hydroxide (NaOH) are must be dissolved in 290.0 mL of water to produce a 1.3 M solution?
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 mL of a 0.162 M aqueous solution of sodium chloride, NaCl, must be taken to obtain 4.55 grams of the salt?
How many grams of sodium formate (NaCHO2) need to be dissolved in 179 mL of a 0.89 M formic acid (pKa= 3.75) solution, so that the concentration of formate equals the concentration of formic acid? Report your answer to two (2) decimal places.
To test a water sample for lead, 25 grams of sodium chloride is dissolved into 100.0 mL of the water. If no precipitation occurs, the concentration of lead(II) ions in the water is below what concentration?
Suppose 0.425g of sodium chloride is dissolved in 50.mL of a 0.50 M aqueous solution of silver nitrate. Calculate the final molarity of chloride anion in the solution. You can assume the volume of the solution doesn't change when the sodium chloride is dissolved in it. Be sure your answer has the correct number of significant digits.
Suppose 7.27g sodium chloride is dissolved in of 100 mL aqueous solution of 0.50 M ammonium sulfate. Calculate the final molarity of sodium cation in the solution. You can assume the volume of the solution doesn't change when the sodium chloride is dissolved in it. Round to 3 sig figs
Can you pleass show the work and explain? (1) How many grams of potassium chloride must be dissolved in 2.50 x 10^(2) mL of water to make a 0.400 m solution? (2) How many milliliters of commercial hydrochloric acid, which is 11.6 molar, should you use to prepare 5.50 L of 0.500 molar hydrochloric acid? (3) Calculate the molarity of a NaOH solution prepared by mixing 100. mL of 0.20 M NaOH with 150 mL of H2O. (4) Calculate the...