How much dioxin is present in 2.9 L of this water? Assume a density of 1.00 g/mL. Express the answer in grams using two significant figures. -- ΑΣΦ m= Submit Request Answer → ? 6.0 g

Suppose 4.47 g of barium acetate is dissolved in 350. mL of a 69.0 m M aqueous solution of ammonium sulfate. Calculate the final molarity of barium cation in the solution, You can assume the volume of the solution doesn't change when the barium acetate is dissolved in it. Round your answer to 3 significant digits. | M

Assuming the volume of a pink freezer pop solution is 30.0 ml and the concentration of red pop is 3.03 g/L, calculate the mass of Red 40 in milligrams in one pink freezer pop.

Calculate the molarity of each of the following solutions. Round each of your answers to 3 significant digits. Part 1 of 3 6.59 g of methanol (CH3OH) in 1.50 × 10² mL of solution. Part 2 of 3 M Part 3 of 3 M x10 8.37 g of calcium chloride (CaCl₂) in 2.20 × 10² mL of solution. X M x10 X 7.02 g of naphthalene (C₁0Hg) in 85.2 mL of benzene solution. ☐ Ś x10 X S Ś

Suppose 13.0g  of potassium sulfate is dissolved in  250.mL  of a  0.20 M  aqueous solution of sodium chromate.   Calculate the final molarity of sulfate anion in the solution. You can assume the volume of the solution doesn't change when the potassium sulfate is dissolved in it. Be sure your answer has the correct number of significant digits.

Give the mass of the solute and mass of the solvent for 1.30 LL of a solution that is 17.0 %% of Pb(NO3)2Pb(NO3)2 by mass (the density of the solution is 1.16 g/mLg/mL), starting with solid solute. Express your answers using three significant figures. Enter your answers numerically separated by a comma.

If you titrate 25.00 ml of a 410. mg/L ascorbic acid solution and titrate it with 1.38x10 M KIO, what volume of titrant (ml) will you use? Please ensure that you include units (ml). Please report your answer to the correct number of significant figures. Answer: If you titrate 25.00 ml of a 480. mg/t ascorbic acid solution, boil it for 15 minutes and then titrate it with 125 mt of 1.34x10 M KIO, What is the concentration of Vitamin C in mg/g ascorbic acid ( original) (mg/9? Answer: And finally, If you boil 26.97 g of juice and then titrate it with 10.55 ml. of 1.16x10 M KIO, what is the concentration of vitamin C in mg per gram of juice (mg/g)? Piease remember to include units (mg/g) of Please remember to use the correct number of significant figures. tion Answer:

If a chemist wishes to dilute a 1.000 x 103 mg/L stock solution to prepare 5.000 × 10² mL of a working standard that has a concentration of 4.500 mg/L, what volume of the 1.000 x 10³ mg/L standard solution is needed? mL