Final answer:
Without additional context or clarity, the student's question cannot be accurately addressed. It could relate to solution preparation or percent yield, both of which require more information for a precise calculation.
Step-by-step explanation:
The student's question appears to be centered on the preparation of a specific concentration or volume of a solution, but is missing sufficient context to provide an accurate answer. In chemistry, preparing a solution of a certain volume and concentration typically involves calculations using formulas such as C1V1 = C2V2, where C represents concentration and V represents volume. Without additional context, such information as desired concentration, solute amount, or solvent volume, a specific calculation cannot be made.
If the question pertains to converting units or understanding the concept of percent yield in chemical reactions, we use the information given concerning various substances, volumes, and yields to calculate desired results. For example, to calculate the percent yield of a reaction, one would compare the actual yield to the theoretical yield and multiply by 100.
The correct question is You want to make 95 ml 70?
1) 75; 20
2) 70; 25
3) 66.5; 28.5
4) 95; 5
5) 136; 29 is ............/;