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How many molecules of o2 will be formed

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Reference no: EM132553519

1. Using the balanced equation, answer the following questions:

2KClO3 à 2KCl + 3O2

a. How many molecules of O2 will be formed from 18.4 grams of KClO3?

b. How many grams of KCl will be formed from 18.4 grams of KClO3?

2. 8.19 g of potassium react with water to produce potassium hydroxide and hydrogen gas. Calculate the mass of potassium hydroxide produced.

The unbalanced equation is: K + H2O à KOH + H2

3. Balance the equation below and answer the question:

Fe + O2 à Fe2O3

How many grams of Fe2O3 are produced when 0.3 x 1023 molecules of O2 are reacted?

4. Given that 4NH3 + 5O2 à 4NO + 6H2O, if 0.30 x 1023 molecules NH3 were made to react with an excess of oxygen gas, how many molecules of NO would form?

Reference no: EM132553519

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