10 MINS LEFT TO ANSWER!! HELP PLEASE! (a) How many moles of Ba(OH)2 are present

Question

10 MINS LEFT TO ANSWER!!

HELP PLEASE!

(a) How many moles of Ba(OH)2 are present in 275 mL of 0.0350 M Ba(OH)2 solution? Enter a value with 4 significant figures for this step. You must enter a decimal value; do not use scientific notation. Do not enter units. mole Ba(OH)2 (b) Based on the number of moles of Ba(OH)2 entered in (a) and the balanced equation, calculate the number of moles of HCl that must be present. Again, enter a decimal value with 4 significant figures, but do not enter units. mole HCl (c) How many significant figures should be present in the answer to (b)? (d) If the concentration of the HCl solution is 0.211 M, what volume of this solution (in liters) is needed to provide the number of moles of HCl shown in (b)? Enter a decimal value with the correct number of significant figures. Do not enter units. liters HCl (e) How many milliliters are needed for the volume calculated in (d)? mL HCl

Explanation / Answer

a) 0.009625

b)0.01925

c)4

d) 0.0912322 ( S. F=6)

e)91.2322

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