Question
Asked Nov 18, 2019
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V2
1!
A 26.0mu
ampu or HCL IS neuctnled
7
TS mL
Of
a lhom
mq lot)2 Soluton shat is u Concentkae
te Concenten
tte atid
Show CalLulaen
moles
base -
moles
moles
moles acid
Conlentralon
Acid
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V2 1! A 26.0mu ampu or HCL IS neuctnled 7 TS mL Of a lhom mq lot)2 Soluton shat is u Concentkae te Concenten tte atid Show CalLulaen moles base - moles moles moles acid Conlentralon Acid

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Expert Answer

Step 1

The given volume and molarity of Mg(OH)2 is 17.5 mL and 1.20 M.

 

It is known that 1 mL = 0.001 L.

 

Therefore, the volume of Mg(OH)2 in L is 0.0175 L.

 

The mathematical expression of molarity is,

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Step 2

Put the given values in the formula to calculate the number of moles of Mg(OH)2.

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Number of moles of solute Molarity Volume of solution in litres Number of moles of Mg (OH) 2 120 0.0175 Number of moles of Mg (OH), = 0.021

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Step 3

In Mg(OH)2, two molecule of OH are present. Therefore, ...

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Mole of OH 2 x moles of Mg(OH) 2 x 0.021 mol =0.0420 mol

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