How many moles of HCl are present in 35.5 mL of a 0.200 M ...

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How many moles of HCl are present in 35.5 mL of a 0.200 M solution?
 
  A) 0.236 mol
  B) 0.178 mol
  C) 0.974 mol
  D) 0.00710 mol
  E) 0.195 mol

Question 2

A 12.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity of 5.65 kJ/C. Using the information below, determine the final temperature of the calorimeter if the initial temperature is 25.0C.
 
  The molar mass of ethanol is 46.07 g/mol.
 
   C2H5OH(l) + 3 O2(g)  2 CO2(g) + 3 H2O(g) Hrxn = -1235 kJ
 
  A) 53.4C
  B) 28.1C
  C) 111C
  D) 85.7C
  E) 74.2C

Question 3

What precipitate is most likely formed from a solution containing Ba+2, Na+1, OH-1, and CO3-2.
 
  A) NaOH
  B) BaCO3
  C) Na2CO3
  D) Ba(OH)2

Question 4

Is 25 kilometers per liter good gas mileage for a VW Rabbit diesel? Hint: How do we measure mileage in the English system?
 
  What will be an ideal response?

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Answer to Question 1

D

Answer to Question 2

D

Answer to Question 3

B

Answer to Question 4

It's good: 59 miles/gal.