MADD Calculation – Questions With Clarified Solutions
An enyzme assay has a final volume of 0.32mL. Each assay contains 80μL of
phosphate buffer. How many assays can you carry out if you have 7.2mL of
phosphate buffer? Accurate Answer:- 90 assays
An enzyme assay has a final volume of 0.65mL. Each assay contains 90μL of
phosphate buffer. How many assays can you carry out if you have 6.3mL of
phosphate buffer? Accurate Answer:- 70 assays
An enzyme assay has a final volume of 0.81mL. Each assay contains 40μL of
phosphate buffer. How many assays can you carry out if you have 2mL of
phosphate buffer? Accurate Answer:- 50 assays
Which is the largest volume? A) 4839mL B) 4.81L C) 4.84x10^2mL
Accurate Answer:- A)
Which is the largest volume? A) 5.37L B) 5374mL C) 5.37x10^2mL
Accurate Answer:- B)
Which is the largest volume? A) 7.23L B) 7.23x10^2mL C) 7239mL
Accurate Answer:- C)
The molecular weight of sodium fluoride is 42. How many grams of NaF must
be dissolved in 10L of water to give a 0.25M solution? Accurate Answer:-
105g
The molecular weight of sodium fluoride is 42. How many grams of NaF must
be dissolved in 10L of water to give a 0.25M solution? Accurate Answer:-
210g
You are provided with a 7mg/mL solution of drug Z. The molecular weight of
drug Z is 175. What is the mM concentration of the drug Z solution?
Accurate Answer:- 40mM
You are provided with a 8mg/mL solution of drug Z. The molecular weight of
of drug Z is 160. What is the mM concentration of the drug Z in solution?
Accurate Answer:- 50mM
, You are provided with a 6mg/mL solution of drug Z. The molecular weight of
drug Z is 150. What is the mM concentration of the drug Z in solution?
Accurate Answer:- 40mM
How many grams are in 3.75L of a 16% (w/v) solution? Accurate
Answer:- 600g
How many grams are there in 4.5L of 18% (w/v) solution? Accurate
Answer:- 810g
How many grams are there in 2.6L of 14% (w/v) solution? Accurate
Answer:- 354g
What is 8x10^6 ng/mL expressed as g/L? Accurate Answer:- 8g/L
What is 15x10^6 ng/ml expressed as g/L? Accurate Answer:- 15g/L
What is 9x10^5 ng/mL expressed as g/L? Accurate Answer:- 0.9g/L
The atomic weight of Mg is 24. The atomic weight of S is 32. The atomi weight
of O is 16. How much does 0.02 moles of MgSO4 weigh? Accurate
Answer:- 2.4g
You are asked to make up 600mL of 0.01M solution of drug X. You are
provided with a 2M stock solution. What volume of stock solution and what
volume of water must you add to obtain 600mL of 0.01M of drug X?
Accurate Answer:- 3mL stock and 597mL H2O
You are asked to make up 600mL of 0.02M solution of drug X. You are
provided with a 2M stock solution. What volume of stock solution and what
volume of water must you add to obtain 600mL of 0.02M of drug X?
Accurate Answer:- 6mL stock and 594mL H2O
The molecular weight of glucose is 180. If the concentration of glucose in
blood is 5mM how many grams of glucose are there in 3.5L of blood?
Accurate Answer:- 3.15g
An enyzme assay has a final volume of 0.32mL. Each assay contains 80μL of
phosphate buffer. How many assays can you carry out if you have 7.2mL of
phosphate buffer? Accurate Answer:- 90 assays
An enzyme assay has a final volume of 0.65mL. Each assay contains 90μL of
phosphate buffer. How many assays can you carry out if you have 6.3mL of
phosphate buffer? Accurate Answer:- 70 assays
An enzyme assay has a final volume of 0.81mL. Each assay contains 40μL of
phosphate buffer. How many assays can you carry out if you have 2mL of
phosphate buffer? Accurate Answer:- 50 assays
Which is the largest volume? A) 4839mL B) 4.81L C) 4.84x10^2mL
Accurate Answer:- A)
Which is the largest volume? A) 5.37L B) 5374mL C) 5.37x10^2mL
Accurate Answer:- B)
Which is the largest volume? A) 7.23L B) 7.23x10^2mL C) 7239mL
Accurate Answer:- C)
The molecular weight of sodium fluoride is 42. How many grams of NaF must
be dissolved in 10L of water to give a 0.25M solution? Accurate Answer:-
105g
The molecular weight of sodium fluoride is 42. How many grams of NaF must
be dissolved in 10L of water to give a 0.25M solution? Accurate Answer:-
210g
You are provided with a 7mg/mL solution of drug Z. The molecular weight of
drug Z is 175. What is the mM concentration of the drug Z solution?
Accurate Answer:- 40mM
You are provided with a 8mg/mL solution of drug Z. The molecular weight of
of drug Z is 160. What is the mM concentration of the drug Z in solution?
Accurate Answer:- 50mM
, You are provided with a 6mg/mL solution of drug Z. The molecular weight of
drug Z is 150. What is the mM concentration of the drug Z in solution?
Accurate Answer:- 40mM
How many grams are in 3.75L of a 16% (w/v) solution? Accurate
Answer:- 600g
How many grams are there in 4.5L of 18% (w/v) solution? Accurate
Answer:- 810g
How many grams are there in 2.6L of 14% (w/v) solution? Accurate
Answer:- 354g
What is 8x10^6 ng/mL expressed as g/L? Accurate Answer:- 8g/L
What is 15x10^6 ng/ml expressed as g/L? Accurate Answer:- 15g/L
What is 9x10^5 ng/mL expressed as g/L? Accurate Answer:- 0.9g/L
The atomic weight of Mg is 24. The atomic weight of S is 32. The atomi weight
of O is 16. How much does 0.02 moles of MgSO4 weigh? Accurate
Answer:- 2.4g
You are asked to make up 600mL of 0.01M solution of drug X. You are
provided with a 2M stock solution. What volume of stock solution and what
volume of water must you add to obtain 600mL of 0.01M of drug X?
Accurate Answer:- 3mL stock and 597mL H2O
You are asked to make up 600mL of 0.02M solution of drug X. You are
provided with a 2M stock solution. What volume of stock solution and what
volume of water must you add to obtain 600mL of 0.02M of drug X?
Accurate Answer:- 6mL stock and 594mL H2O
The molecular weight of glucose is 180. If the concentration of glucose in
blood is 5mM how many grams of glucose are there in 3.5L of blood?
Accurate Answer:- 3.15g
