We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
#16 Find the molarity of 12.5 g of NaOH in 125 ml of water (molar mass...
2. A student prepared a stock solution by dissolving 15.0 g of NaOH in enough water to make 150 mL of a stock solution. She then took 22.5 mL of the stock solution and diluted it with enough water to make 250. mL of a working solution. (5 pts. each) A. What is the molar concentration of NaOH in the stock solution? # of moles x 1000 Naot mass= 15,09 g molanty volume of source (m) Mol 40 g/mol voline...
What is the molarity of a solution containing 15.0g NaOH? (molar mass =40.0g?mol) per 250.0mL of solution?
Sugar is easily soluble in water and has a molar mass of 342.30 g/mol. What is the molar concentration of a 245.6 mL aqueous solution prepared with 78.3 g of sugar? Suppose you have 350.0 mL of a 0.450 M sodium hydroxide solution. How many moles of sodium hydroxide are in the solution? Calculate the percent by mass of a solution made from 17 g NaCl (the solute) and 67 g water. Suppose you need to prepare 141.5 mL of...
Calculate the molarity of a solution prepared by dissolving 12.5 g of Na2CrO4 in enough water to produce a solution with a volume of 630. mL .
2. Calculate the molarity (M) of 30.0 g of NaOH in 350 mL of NaOH solution. Show all the step by step work: 3. Calculate the amount of solute, in moles, grams or milliliters, needed to prepare the following solutions. Show all the step by step solution: a. 1.00 L of a 3.00 M NaCl solution (moles of solute) b. 2.00 L of a 1.50 M NaOH solution (grams of solute) c. Milliliters of 1.50 M NaCl solution to obtain...
A 0.377-g sample of NaOH pellets (molar mass = 40.00 g/mol) is added to enough water to make 250.0 mL of solution. The pH of this solution is: Select one: a. 11.974 b. 12.576 c. 0.424 d. 1.424
A stock solution was prepared by dissolving 0.593 g of pure ASA (molar mass = 180.2 g/mol) with NaOH solution and diluting with water in a 1000 mL volumetric flask. This was followed by pipetting 4.00 mL of the stock solution into flask A and 5.0 mL of the stock into flask B. Flasks A and B were each diluted to 20 mL mark of the volumetric flask. What are the concentrations, in molarity, of ASA in flasks A and...
Find the concentration (molarity) of an aqueous solution prepared by dissolving 10g of NaOH(s) in 100mL of water. Find the concentration (molarity) of a NaOH solution that contains 5g of NaOH and 1000 mL of water. What is the new concentration when we add 1L more of water to the prepared solution in question (2).? If you have 10 ml of a 5M solution of NaOH, how many mol of NaOH you have? How many mol of Na+ you have?...
A student titrated 15.0 mL of acetic acid acid, HC2H302 ( Molar mass= 60 g/mol) solution with 25.0 mL of a 0.100 M NaOH solution The Molarity(mol/L) of HC2H302 required for complete titration is? HC2H302 + NaOH - NaC2H302 + H20 A) 0.0250 M B) 0.250 M C) 2.5M D) 0.0167M E) 0.167 mol
QUESTION 5 A solution is prepared by dissolving 5.0 g NaCl in 45.0 mL of water. The molar mass of NaCl is 58.5 g/mol and the density of water is 1.0 g/mL. What is the percent NaCl in the solution? O a. 5.0% b. 11% O C. 10% O d.58.5% Oe. None of these