Microbiology 020 - General Microbiology » Spring 2022 » Questions on Concentration
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Question #1
12 ml of 5% NaCl (salt) solution requires _____ grams of salt.
A.
0.6
B.
0.1
C.
0.4
D.
0.8
Question #2
Physiological saline (salt) solution is 0.9% NaCl. 1.8 g of NaCl dissolved in a total volume of _____ ml would produce a 0.9% NaCl solution.
A.
1000
B.
100
C.
200
D.
500
Question #3
15 g of sugar dissolved in 150 ml of water would be a ________ % solution, which is equivalent to _______ g/ml.
A.
20, 0.3
B.
15, 0.15
C.
10, 0.1
D.
5, 1
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