Compute the pH of the resulting solution if 72 mL of 0.85 M acid is mixed with 31 mL of 0.40 M base. Let's do this in steps: (use 2 sig figs in your answer) How many moles of acid before reaction

2fe + 3h2so4 -> fe2(so4)3 + 3h2

it is necessary to balance equations in order to get the proper amount of reactants as well as products in order not to make a miscalculation.

you cannot change the subscripts as that would change the substance itself. for instance, diatomic elements such as h2 only have the subscript two when a gas. another example would be so4, if you were to change the subscript, the element would no longer be sulfate.

we change the coefficients instead as that only changes the number of molecules rather than the substance itself.

hope this !

b) nuclear ive learned that in a pedtrodic table

listen, you cant how young you were.

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