Originally Posted by

**1434runescape** Hello all,

I'm having a problem on how to input this in my calculator:

**1.033 = log ([HCO3-]/ [H2CO3])**

The __answer__ from this problem is this:

**[HCO3-]/ [H2CO3] = 10.8**

I tried doing this...

10^-1.033 but I get this instead of 10.8: *0.092682982*

I know that we have to do that step but I don't know what to do with that number. I tried adding it to 1.033 but it obviously doesn't get me the 10.8 answer.

By the way... 10.8 is the ratio between [HCO3-] and [H2CO3].

Thanks. I'll just be here to reply so don't hesitate to help me out. =)