Cupcakex1
Answered

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3. A reaction of the type X → Y + Z has a rate constant k = 3.6 x 10-5 M/s. Determine
molarity of x after a reaction time of 30.0 min if the initial concentration of x is
0.096M
(3 marks)​

Sagot :

sebassandin

Answer:

0.16 M.

Explanation:

Hello!

In this case, since the reaction can be determined as zeroth-order because of the units of M/s, we can write the rate law as:

[tex][X]=[X]_0-kt[/tex]

In such a way, since we need the initial concentration of X, we proceed as follows:

[tex][X]_0=[X]+kt[/tex]

So we plug in to obtain:

[tex][X]_0=0.096M+3.6x10^{-5}\frac{M}{s}*30.min*\frac{60s}{1min}[/tex]

[tex][X]_0=0.16M[/tex]

Best regards!

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