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Chapter 2: Q84P (page 84)

Write an empirical formula for each of the following:

(a) Hydrazine, a rocket fuel, molecular formulaN2H4

(b) Glucose, a sugar, molecular formulaC6H12O6

Short Answer

Expert verified

(a) The empirical formula for Hydrazine is NH2.

(b) The empirical formula for glucose is CH2O.

Step by step solution

01

Step 1:Definition of empirical formula

A chemical formula that gives the simplest ratio of elements present in a

compound but not the actual numbers of atomsis known as the empirical formula.

02

Empirical formula for Hydrazine

Hydrazine,N2H4, contains nitrogen and hydrogen.

The ratio of nitrogen to hydrogen is 1:2.

So, NH2is the empirical formula for Hydrazine.

03

Empirical formula for glucose

Glucose,C6H12O6 , contains carbon, hydrogen and oxygen.

We have to check the ratio of different elements to find out the empirical formula.

C6H12O6:C:H:O::6:12:6simplestratio,C:H:O::1:2:1

So, CH2Ois the empirical formula for glucose.

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