Question

What is the molarity of 150mL of a acid solution containing 4.9 g of H2SO4

Answer #1

Molarity of H_{2}SO_{4} = moles of
H_{2}SO_{4}/Volume in L

Moles of H_{2}SO_{4} = weight given/Molecular
weight

= 4.9 / 98.0785

= 0.04995

Molarity = moles/ volume in L

= 0.04995/ (150/1000)

= 0.04995/.150

= 0.333 M

Molarity of H_{2}SO_{4} is 0.333M

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