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A student must make a 0.10 M solution fo NaHCO3. How many mL of solution can be made using a 0.35...
How many mL of a 0.10 M FeSO, solution are required to provide 0.35 g of FeSO,?
How many milliliters of 1.18 M NaOH must be added to 125 mL of 0.10 M NaH2PO4 to make a buffer solution with a pH of 6.90?
How many moles of NaHCO3 are dissolved in 750 ml of a 0.250 M solution?
how many mL of a 3.0 M solution must be used in order to make 300.0 ML of 0,25M solution
To make a buffer, a student mixes H2CO3 with NaHCO3 to form a solution which is 0.012 M carbonic acid (H2CO3) and 0.012 M (NaHCO3). The pH of the buffer solution is 6.37 The student adds 10.0 mL of 0.100 M NaOH to a fresh solution of his buffer. Calculate the pH after the addition of NaOH.
a. A student dissolved 20.00 g of Na2SO4 in enough water to make 250 mL of stock solution. How many mL of the stock solution would the student need to use in order to make a 150 mL of 0.100 M solution? b. In an acid-base titration, 82.56 mL of 0.175 M NaOH titrant reacts with 100.0 mL of an unknown concentration of HCl solution. What is the density of the HCl solution?
How many milliliters (mL) of a 3.0 M H2SO4 solution are needed to make 810 mL of 0.10 M H2SO4?
1. If there are 15 g in 35 mL of a solution, how many grams are there in 100 mL of this solution? 2. If there are 3 g in 75 mL of solution, how many grams are there in 200 mL of the same solution? 3. If there are 5 g in 200 mL of solution, how many milliliters of the same solution can be made form 30 grams? 4. If there are 8 grams in 160 mL of...
i) solution made by adding 5.0 mL of 0.10 M HCl to 100 mL of a buffer containing 0.15 M acetic acid and 0.15 M acetate
How many mL of a 0.10 M NaOH solution are needed to neutralize 15 mL of 0.20 M H3PO4? Equation (hint): H3PO4+3NaOH----> 3H2O + Na3PO4