How many mL of 3.000 M Mg(OH)2 solution are needed to react with 2.000 L of 3.000 M H3PO4? 2 H3PO4 + 3 Mg(OH)2 6 H₂O + Mg3(PO4)2 This is a titration problem, and we are given enough information to calculate the moles of the acid. mol (2.000 L)(- (g Mg(OH)2 2.000 a d h 2.500 = g L NaOH ( L mol H3PO4)(- 10.00 a mol Mg(OH)₂)(- e 1.000 mol Mg(OH)2 2.000 mol H3PO4 mol H3PO4 mL mol Mg(OH)2 L = = u f 0.000 = f a 6.000 mL NaOH 8.000 mol L NaOH 0.0250

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How many mL of 3.000 M Mg(OH)2 solution are needed to react with 2.000 L of 3.000 M H3PO4?
2 H3PO4 + 3 Mg(OH)2 → 6 H₂O + Mg3(PO4)2
This is a titration problem, and we are given enough information to calculate the moles of the acid.
mol
(2.000 L)(-
(g
Mg(OH)2
(f
a. 3.000
a
d
b. 2.500
=
L NaOH
L
c. 10.00
a
mol H3PO4)(-
g
e
mol Mg(OH)₂)(--
d. 1.000
mol Mg(OH)2
e. 2.000
mol H3PO4
mol H3PO4
mL
mol Mg(OH)2
L
=
= u
f. 9.000
-) = f
g. 6.000
mol
L NaOH
mL NaOH
h. 8.000 i. 0.02500
Transcribed Image Text:How many mL of 3.000 M Mg(OH)2 solution are needed to react with 2.000 L of 3.000 M H3PO4? 2 H3PO4 + 3 Mg(OH)2 → 6 H₂O + Mg3(PO4)2 This is a titration problem, and we are given enough information to calculate the moles of the acid. mol (2.000 L)(- (g Mg(OH)2 (f a. 3.000 a d b. 2.500 = L NaOH L c. 10.00 a mol H3PO4)(- g e mol Mg(OH)₂)(-- d. 1.000 mol Mg(OH)2 e. 2.000 mol H3PO4 mol H3PO4 mL mol Mg(OH)2 L = = u f. 9.000 -) = f g. 6.000 mol L NaOH mL NaOH h. 8.000 i. 0.02500
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