What is the purpose of adding K2SO4 to agar-agar?

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To speed up the gypsum setting processTo enhance the material's strengthTo provide dimensional stabilityNone of these

Explanation

K2SO4 is included in agar-agar primarily to accelerate the setting time of gypsum, ensuring faster hardening. Other options such as increasing strength or providing dimensional stability are not the main functions of K2SO4 in this context.