If physiological saline has a concentration of 0.90% (m/v) NaCl, identify the following solutions as isotonic, hypotonic or hypertonic: [smaller] 0.25% (m/v) NaCl [justright] 0.90% (m/v) NaCl [larger] 1.8% (m/v) NaCl
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Compare two compounds of similar molar mass, in which A is c…
Compare two compounds of similar molar mass, in which A is comprised of nonpolar molecules and B composed of polar molecules. Which of the following statements is true?
We can predict whether or not a solute dissolves in a solven…
We can predict whether or not a solute dissolves in a solvent with the rule “like dissolves like.” This rule means that :
In a solution, the component present in the smaller amount i…
In a solution, the component present in the smaller amount is called the _________.
Which of the following pairs of compounds contain the same i…
Which of the following pairs of compounds contain the same intermolecular forces?
Water (H2O) has a higher boiling point than methane (CH4) be…
Water (H2O) has a higher boiling point than methane (CH4) because water has ________ between molecules.
In osmosis, two solutions with different concentrations of s…
In osmosis, two solutions with different concentrations of solutes are connected through a semipermeable membrane. What type of molecules move through the membrane, and in which direction? How does this process differ from dialysis?
According to Henry’s law, the solubility of a gas in a liqui…
According to Henry’s law, the solubility of a gas in a liquid
The predominant intermolecular force in CH3CH2F is:
The predominant intermolecular force in CH3CH2F is:
An homogeneous mixture consists of 12% ethanol, 28% methanol…
An homogeneous mixture consists of 12% ethanol, 28% methanol and 60% water. Which of these is the solvent for the mixture?