Both a and b at diatomic, meaning that the molecules in gases a and b are made of two atoms each

3(a2)+(> 2 units product

this is basically 3 aa + bb > 2 products

3 volumes + 1 volume > 2 volumes product

3 liters + 1 liter > 2 liters product

3 moles (a2) + 1 mole b2 > 2 moles product

1) how many grams of product are formed? answer in grams

2) what is the mass of one mole of product? answer in grams

3)what is the correct formula for the product reaction?

a. ab2

b. a2b

c. ab3

d. a3b

e. ab

1) mass in grams = 34 g or generally 2 multiply molar mass of product

2) mass in of one mole = 17 g or generally 1 multiply molar mass of product

3) Option C = AB₃

Explanation:

Data given:

2 diatomic molecules react and form product

it basically

grams of product =?

mass of one mole of product =?

correct formula for the product reaction = ?

Solution:

First we have to identify the two diatomic molecule that combine in 3 to 1 ratio.

So it can be the following:

                       3H₂ + N₂ > 2NH₃

So it have 3 to 1 ratio in all respect

         3H₂ + N₂ > 2NH₃

Now to find the grams of products

                          3H₂   +    N₂       > 2NH₃

                         3 mol       1 mol             2 mol

so 2 moles of product are formed

To find find mass in gram formula will be used

                     mass in grams = no. of moles x molar mass

molar mass of NH₃ =  14 + 3(1) = 17 g/mol

put value in formula

                   mass in grams = 2 mol x 17 g/mol

                   mass in grams = 34 g

So,

the mass of the product will be 34 grams

or generally 2 multiply by molar mass of the product.

2) mass of 1 mole of product:

look at the reaction:

                         3H₂ + N₂ > 2NH₃

use the formula

                          mass in grams = no. of moles x molar mass. . . . .(1)

molar mass of NH₃ =  14 + 3(1) = 17 g/mol

so for 1 mole

no. of moles = 1

put values in formula 1

                   mass in grams =  1 mol x 17 g/mol

                   mass in grams = 17 g

So,

the mass of 1 mol product is 17 grams

or  generally 1 multiply by molar mass of the product.

3) Correct Formula

Again look at the related reaction

                              3H₂ + N₂ > 2NH₃

As two molecules are diatomic but one have 1 valency and other have 3 valency.

So it is clear from the reaction that is the product formula is NH₃.

So, option c is correct

Option C = AB₃