[Review Topics] [References) Use the References to access important values if needed for this question. How many grams of manganese(II) acetate, Mn(CH3C00)2, are required to make a 7.04 %(w/v) aqueous solution in a 50.0 mL volumetric flask? Retry Entire Group 9 more group attempts remaining Submit Answer

Given: 0.35g NaCl, 0.25 g NaHCO3, 0.15 g KCI & 2 g C6H1206 are present in 100 mL ORS solution (MW: Na: 23, K: 39, CI: 35, H: 1, C: 12, O: 16) Calculate the total amount of sodium expressed in mmol/L present in the prepared solution O 60.34 mmol/L O 20.27 mmol/L O 80.61 mmol/L 90.10 mmol/L 29.76 mmol/L O 111.11 mmol/L

Use the References to access important values if needed for this question. What is the osmolarity of a 0.256 M aqueous chromium(II) nitrate, Cr(NO3)2, solution? Osmolarity = osmol/L Submit Answer Retry Entire Group 4 more group attempts remaining

The solubility of Mg(OH)2 is measured and found to be 8.85×10-³ g/L. Use this information to calculate a Ksp value for magnesium hydroxide. Submit Answer Ksp = Retry Entire Group 8 more group attempts remaining

An unknown mixture is known to contain only Ba(OH)2 (MW=171.34 g/mole) and NaOH (MW=40.0 g/mole).  If the mixture is known to contain 45% by mass NaOH, and 8.0 grams of the mixture is dissolved completely in 50.0 ml of solution, answer the following.   a).   How many ml of 0.2 M H2SO4 is needed to titrate the 50.0 ml solution to the equivalence point.

Calculate the molar solubility of MNCO3 in a solution in which [H30*] is held at 1.1 x 10-5 M. Show all essential steps. Kep = 5.0 x 10-10 (MNCO3) Ka1 = 4.45 x 10-7; Ka2 = 4.69 x 10-11 (H2CO3)

THE okmarks People Tab Window Help signment/takeCovalentActivity.do?locator=Dassignment-take MyLabsPlus | Pear. O Chem 2 Login P Course Home google - Google S... Google Maps Home [Review Topics] [References] Use the References to access important values if needed for this questic The volume of water needed to dissolve 0.0689 grams of barium sulfite is L. Assume no volume change upon addition of the solid.

Attempe Calculate the concentration of cobalt(III) ions in a solution formed by mixing 200.0 mL of 0.500 M Co(NO3)3 with 400.0 mL of 5.00 M NH3 solution given Kof [Co(NH3)6]³+ is 4.5x1033. [Co³] M