객관식
Which of the following is the correct conversion of 1.5 L to fluid ounces (oz)? (Use 1 L = 33.814 oz)
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1. Intro to General Chemistry
Conversion Factors
Multiple Choice
Which of the following correctly describes how to convert a solution's concentration from millimolarity (mM) to molarity (M)?
A
Divide the millimolarity value by 1000.
B
Add 1000 to the millimolarity value.
C
Multiply the millimolarity value by 1000.
D
Subtract 1000 from the millimolarity value.
검증된 단계별 안내1
Understand the units involved: millimolarity (mM) means millimoles per liter, and molarity (M) means moles per liter.
Recall the relationship between millimoles and moles: 1 mole = 1000 millimoles.
To convert from millimolarity to molarity, you need to convert millimoles to moles by dividing the millimolarity value by 1000.
Express the conversion mathematically as: \(M = \frac{mM}{1000}\), where \(M\) is molarity and \(mM\) is millimolarity.
Therefore, the correct method is to divide the millimolarity value by 1000 to get the molarity.
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