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How many moles of HF are needed to react with 0.220 mol of Na2SiO3?
Wiki User
∙ 6y ago
The gram molecular mass of HF is 20.01. Therefore, 0.589 mole has a mass of 11.79 grams and is sufficient to form 0.589 mole of sodium fluoride* when sodium is present in excess. The gram molecular mass of sodium fluoride is 41.99, so that 0.589 grams of it has a mass of 24.7 grams, to the justified number of significant digits.
__________________________
The formula unit of both hydrogen and sodium fluorides contains a single fluorine atom.
Wiki User
∙ 11y ago
Wiki User
∙ 11y ago(0.500molHf x 1molNa2SiOx41.988gNaF)/(8moleHF)= 2.62gNaF x 2= 5.25gNaF
Wiki User
∙ 8y ago6 moles of HF react with 1 mole of SiO2.
Wiki User
∙ 10y ago2.40 mol HF
Wiki User
∙ 7y ago1,6 moles of HF are needed.
Wiki User
∙ 6y ago0.44 moles HF required.
Wiki User
∙ 11y ago0,61 g
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