# chemistry

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what volume of .5 m sulfuric acid is needed to react completely with 10 mL of 2m potassium hydroxide

• chemistry -

Write and balance the equation.
moles KOH = M x L.
Use the equation and coefficients to convert moles KOH to moles H2SO4.
Now use M = moles/L to calculate L H2SO4.

• chemistry -

in which compound does sulfur have an oxidation number of -2

1. SO2
2. SO3
3. Na2S
4. Na2SO4

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