Problem J.7 - 7th Ed.

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Saima Salam 3J
Posts: 32
Joined: Fri Sep 28, 2018 12:25 am

Problem J.7 - 7th Ed.

Postby Saima Salam 3J » Thu Dec 06, 2018 11:00 pm

The question asks us to write a chemical equation based on the formation of the resulting compound. How do we determine what base and acid we use? I know that we look at the resulting compound to determine but I am confused on exactly how to do so.

abbydouglas1K
Posts: 65
Joined: Fri Sep 28, 2018 12:26 am

Re: Problem J.7 - 7th Ed.

Postby abbydouglas1K » Thu Dec 06, 2018 11:15 pm

I had the same problem I looked at the answer book and Im not sure how the equation was balanced just from knowing the product .

Bingcui Guo
Posts: 30
Joined: Fri Sep 28, 2018 12:19 am

Re: Problem J.7 - 7th Ed.

Postby Bingcui Guo » Fri Dec 07, 2018 3:29 pm

The anion of the product is from the acid and cation of the product is from the base. The base is the cation with an OH- and the acid is a anion with a H+. So that you can write out the reactants and balance the equation.

cara_cavarretta_3F
Posts: 32
Joined: Fri Sep 28, 2018 12:23 am

Re: Problem J.7 - 7th Ed.

Postby cara_cavarretta_3F » Fri Dec 07, 2018 6:21 pm

In order to do part b on this problem we need to know the formula for zinc nitrite but I keep getting conflicting answers on the internet, does anyone know the right formula?

Joaquin Andrade
Posts: 31
Joined: Fri Sep 28, 2018 12:27 am

Re: Problem J.7 - 7th Ed.

Postby Joaquin Andrade » Fri Dec 07, 2018 10:04 pm

Since the oxidation number of Zn is +1, the formula is Zn(NO2)


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