Boric acid, H3BO3 is a mild antiseptic and is often used as an eye
wash. A sample contains 0.543 mol H3BO3. What is the mass of boric acid
in the sample?.
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solution :
no of Moles of H3BO3= 0.543 moles
Molar mass of H3BO3 = 3+10+3(16) =61 g mol-1
1 mole of H3BO3 = 61 g
0.543moles of
H3BO3= 61 x 0.543 g =
33.123 g of H3BO3
no of Moles of H3BO3= 0.543 moles
Molar mass of H3BO3 = 3+10+3(16) =61 g mol-1
1 mole of H3BO3 = 61 g
0.543moles of
H3BO3= 61 x 0.543 g =
33.123 g of H3BO3
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