Calculaţi concentraţia procentuală pentru o soluţie obţinută prin adăugarea a 120 apă peste o soluție de 320g saramură de concentrație 40% ?

When balancing a chemical equation:

Imagine that twenty i. u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous