What volume (mL) of 0.0755 M phosphoric acid can be neutralized with 171 mL of 0.304 M sodium hydroxide? A. 2070 B. 689 C. 230 D. 2480 E. 11.8
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What volume (mL) of 0.0755 M phosphoric acid can be neutralized with 171 mL of 0.304 M sodium hydroxide?
A. 2070
B. 689
C. 230
D. 2480
E. 11.8
Given-
Strength of phosphoric acid= .0755M(M1)
Strength of sodium hydroxide= .304M(M2)
Volume of sodium hydroxide= 171mL(V2)
We know---at neutralisation point
M1V1=M2V2
.0755V1= .304x171
V1=689mL
option B
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