1:50 neomycin sulfate solution strength:

Rationale

The strength of a 1:50 neomycin sulfate solution is 2%.

A 1:50 solution means that there is 1 part of neomycin sulfate in 50 parts of solution, which translates to a concentration of 2% when calculated. This percentage reflects the weight of solute per 100 parts of solution, providing a clear understanding of the solution's strength.

A (2%) CORRECT

This is the correct answer because a 1:50 solution indicates that there are 2 grams of neomycin sulfate in 100 mL of solution, which yields a 2% concentration. The calculation for percentage concentration is derived from the formula: (mass of solute/total mass of solution) x 100.

B (10%) YOUR ANSWER

A concentration of 10% would imply that there are 10 grams of solute in 100 mL of the solution. This does not correspond to a 1:50 ratio, which indicates a much lower concentration of neomycin sulfate in the solution. Therefore, this option is incorrect.

C (20%) YOUR ANSWER

Similarly, a 20% concentration would require 20 grams of neomycin sulfate in 100 mL of solution, which is significantly higher than what a 1:50 solution represents. The strength indicated by this option does not align with the definition of a 1:50 dilution.

D (50%) YOUR ANSWER

A 50% solution would mean that 50 grams of neomycin sulfate are dissolved in 100 mL of solution, which far exceeds the concentration of a 1:50 solution. This choice clearly misrepresents the actual strength of the neomycin sulfate solution.

Conclusion

Understanding solution concentrations is vital in pharmacology and chemistry. A 1:50 neomycin sulfate solution corresponds to a 2% concentration, confirming that the solute's weight is proportionate to the total solution volume. Incorrect options of 10%, 20%, and 50% fail to reflect the proper ratio, demonstrating the importance of accurate calculations in determining solution strengths.

1:50 neomycin sulfate solution strength:

The strength of a 1:50 neomycin sulfate solution is 2%.

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