Given the following equation: Na2SiO3 + 8HF = H2SiF6 + 2 NaF + 3H2O

How many moles of HF are needed to react with 0.6000 mol Na2SiO3
a. 3 mol HF
b. 4.8 mol HF
c. 8 mol HF
d.1 mol HF

*refer to attachment*

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

Is powdered sports drink ionic or covalent ? 10pts !

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?