Wednesday
January 28, 2015

Homework Help: chemistry

Posted by bekah on Tuesday, April 1, 2014 at 10:23pm.

If my original sample contained 7.1 grams of potassium chlorate. How many moles of oxygen gas would I expect to have evolved? Hint: Convert grams to moles of potassium chlorate, then use the mole ratio in the balanced equation. Balance this equation KClO3 → KCl + O2(g)
I get .0869033048 when i do the calculations, want to make sure I did it right. 2KClO3 → 2KCl + 3O2(g)
7.1 g * (1 mol/122.55 g/mol) = .0579355465 mol * (3/2) = .0869033048

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

CHEM MOLES !@@! - Mole Calculation Worksheet 1) How many moles are in 15 grams ...
Chemistry - A few questions...how many grams are in 48.7x10^24? I don't know how...
chemistry - 15.45 grams of solid potassium chlorate decomposes when heated to ...
Chemistry - when 2 moles of potassium chlorate crystals decompose to potassium ...
Chemistry - How many grams of potassium chlorate, KClO3(s) must decompose to ...
chemistry - potassium chlorate will decompose to produce potassium chloride and ...
Honors Chemistry (stoichiometry) - Can someone check and make sure I'm doing ...
Chemistry - Posted by Angeline on Monday, April 20, 2009 at 5:35pm. A few ...
chemistry - I just can't do this... Two moles of potassium chloride and three ...
science - Find the mass of potassium chloride and volume of oxygen at STP ...

Members