Question

If 79 grams of H2SiCl2 react with excess H2O how many grams of HCl would be produced

Answer 1

Answer:

Do you have a particular reaction in mind?  I'm not sure that dichlorosilane (H2SiCl2) produced HCl, but if it does, the moles of HCl would depend on the particular reaction and the stoichiometry of that reaction.  Assuming 1 mole of H2SiCl2 produced 2 moles of HCl, then ...

5.64 g H2SiCl2 x 1 mole/101 g = 0.0558 moles

2 moles HCl/mole H2SiCl2 x 0.0558 moles H2SiCl2 = 0.112 moles HCl

0.112 moles HCl x 36.5 g/mole = 4.08 g HCl