Boric acid, H3BO3 is a mild antiseptic a...

Boric acid, `H_3BO_3` is a mild antiseptic and is often used as an eye wash. A sample contains `0.543 ` mol `H_3 BO_3`. What is the mass of boric acid in the sample.

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formula mass of
boric acid `H_3BO_3 =61.834`amu
1 mole of `H_3BO_3=` Molar mass of `H_3BO_3`
`61.834g`
`0.543` mole of `H_3BO_3=61.834xx0.543`
`=33.57g` of `H_3BO_3`
The mass of
`0.543` moles of `H_3BO_3=33.578g`

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