Question

Calculate the formula mass of (a) sodiun
azide ?(NaN3)used in automobile airbage and
b) phosphoric acid (H3po4).

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Answer 1

Answer:

Sodium azide (NaN3)-----(mass)=23+14*3=65u

phosphoric acid (H3PO4)--(mass)=1*3+31+16*4=98u

Sodium azide is best known as the chemical found in automobile airbags. An electrical charge triggered by automobile impact causes sodium azide to explode and convert to nitrogen gas inside the airbag. Sodium azide is used as a chemical preservative in hospitals and laboratories.

Explanation:

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