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?
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?
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.
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?