please answer all 4 questions :)

10. How many moles of solute are present in 25.0mL of 2.00MHCl ? a. 0.0800mol c. 50.0molCl=3O.4S b. 0.0500mol d. 2.00mol 11. How many grams of K2SO4 would be needed to prepare 4.00L of a 0.0510M solution? a. 34.5g x2=78.29 c 74.27 c. 35.6g d. 71.0g 12. What volume of 18.0M sulfuric acid is required to prepare 16.5L of 0.126M sulfuric acid? a. 0.264L b. 0.137L c. 0.116L d. 0.232L 26. Calculate the Kcq for the following equilibrium when [SO3]=0.0150M,[SO2]=0.0660M, and [O2]=0.00110M. a. 0.00735 SO3(g)SO2(g)+O2(g) b. 136 d. 46.9