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how many moles are in 25 grams of HF

Sagot :

kenzieschulte
Using this equation, we can take 25/(1.0 + 19) and find that it is equal to 1.25 moles.
samueladesida43

There are 1.25 moles of HF in 25 grams of hydrogen fluoride (HF).

HOW TO CALCULATE NUMBER OF MOLES:

  • The number of moles of a substance can be calculated by dividing the mass of the substance by its molar mass. That is;

  • no. of moles (mol) = mass (grams) ÷ molar mass (g/mol)

  • According to this question, 25 grams of hydrogen fluoride (HF) were given, the number of moles can be calculated as follows:

Molar mass of HF = 1 + 19 = 20g/mol

no. of moles of HF = 25g ÷ 20g/mol

no. of moles = 1.25mol

  • Therefore, there are 1.25 moles of HF in 25 grams of hydrogen fluoride (HF).

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