How many grams of hydrogen (h) would need to react with 190 grams of fluorine (f) to make 200 grams of hf (hydrofluoric acid)? question 6 options: 200 20 10 5

               10 g of H₂

The Balance chemical equation is as follow,

                                       F₂  +  H₂    →    2 HF

Step 1: Calculate Amount of F₂ required to form 200 g of HF:

According to balance equation,

                  40 g (2 mol) HF is formed by  =  38 g (1 mol) of F₂

So,

                        200 g of HF will be formed by  =  X g of F₂

Solving for X,

                     X  =  (200 g × 38 g) ÷ 40 g

                    X  =  190 g of F₂

Step 2: Calculate amount of H₂ to react with 190 g of F₂:

According to equation,

                         38 g (1 mol) F₂ required  =  2 g (1 mol) of H₂

So,

                                190 g of F₂ will require  =  X g of H₂

Solving for X,

                      X =  (190 g × 2 g) ÷ 38 g

                     X =  10 g of H₂

b..

is the correct one

explanation:

covalent bonds form as valence electrons are shared between two atoms. lewis structures and structural formulas are common ways of showing the covalent bonding in organic molecules. formal charge describes the changes in the number of valence electrons as an atom becomes bonded into a molecule.