Question

How Do You Know What Ratio Your Equation Is @jordanloveangel

Answer 1

hold on

Answer 2

Okay

Answer 3

can i see the problem?

Answer 4

Potassium permanganate (KMnO4) reacts with hydrochloric acid (HCl) to form potassium chloride (KCl), manganese chloride (MnCl2), water (H2O), and chlorine gas (Cl2). The balanced chemical equation is 2KMnO4 + 16HCl → 2KCl + 2MnCl2 + 8H2O + 5Cl2. Select the correct ratios of each of the following substances.

KMnO4:KCl =
HCl:H2O =
KMnO4:Cl2 =
HCl:MnCl2 =

Answer 5

So I Use The Molar Mass ?

Answer 6

i think so

Answer 7

I Multiply It By ?

Answer 8

The ratios come from the stoichiometric coefficients in the balanced equation

2 KMnO4 + 16 HCl → 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
^ ^ ^ ^ ^ ^

i'll do the first

KMnO4:KCl = 2:2
HCl:H2O =
KMnO4:Cl2 =
HCl:MnCl2 =

Answer 9

So The Second One Is 2:1 ?

Answer 10

16:8 -> 2:1

yes!

Answer 11

Ahaa Ayee I Got It ! :D

Answer 12

sweeet

Answer 13

In the reaction N2 + 3H2 mc016-1.jpg 2NH3, how many moles of hydrogen are needed to produce 7.61 mol of ammonia? (Answer should be precise to the nearest 0.1 mol.) ???

Answer 14

so it builds on the previous concept of molar ratios.

you use the moles and stoichiometric coefficients of what you're interested in, in this case it looks like:

\(\sf \dfrac{moles~of~H_2}{H_2's~coefficient}=\dfrac{moles~of~ammonia}{ammonia's~coefficient}\)

Answer 15

3.9 mols ?

Answer 16

how did you set that up?

Answer 17

I Tried To Do It Like That But I Dont Think I Did It Right /.\

Answer 18

show me what you did and i'll correct it