Chemistry 101 Quiz 10 A November 17, 1998 Dr. B. Jackson
141. 0.6 N H3(PO4) is __M H3(PO4)
a) 0.2 b) 0.3 c) 0.6 d) 1.2 e) 1.8
142. 0.2 M Ca(OH)2 is _____ N Ca(OH)2
a) 0.1 b) 0.2 c) 0.4 d) 0.8
143. How many milliequivalents are present in 20 mL of a 2 M H2(SO4)?
a) 40 b) 80 c) 10 d) 0.1
144. How many milliliters of a 2 N NaOH solution are required to neutralize 40 milliequivalents
of H+?
a) 10 b) 20 c) 40 d) 80 e) not enough information given
145. How many milliliters of a 0.1 N HCl would be needed to neutralize 30 mL of a 0.2 N NaOH
solution?
a) 15 b) 30 c) 45 d) 60
146. What is the normality of a NaOH solution if 50 mL of the NaOH were neutralized by 25 mL
of a 0.2 N HCl?
a) 0.1 b) 0.2 c) 0.4 d) 1.0
147. How many milliliters of concentrated HCl (12N) would be needed to make up 500 mL of a
1.2 N solution?
a) 5 b) 50 c) 10 d) 25 e) not enough information given
148. What is the normality of a NaOH solution if 10 mL of a 2 N solution was diluted to 500 mL?
a) 0.04 b) 2.5 c) 0.10 d) 0.4
149. How many milliliters of a 2 M NaOH would be needed to neutralize 25 mL of a 4 M H2(SO4)?
a) 50 b) 100 c) 200 d) 500
150. How many grams of H2(SO4) are present in 50 mL of a 0.5 N solution?
a) 9.8 b) 1.23 c) 12.5 d) 5
Ans: 141a; 142c; 143b; 144b; 145d; 146a; 147b; 148a;l 149b; 150b