A pharmacist dilutes 100ml of Clorox with 1 quart of water Express the concentration of Sodium Hypochlorite in the final dilution as a W/V ratio. Commercial Clorox containsi5.25% W/V Sodium Hypochlorate

A pharmacist dilutes 100ml of Clorox with 1 quart of water Express the concentration of Sodium Hypochlorite in the final dilution as a W/V ratio.

Commercial Clorox containsi5.25% W/V Sodium Hypochlorate:

• a- 1/9
• b- 1/10
• c- 1/100
• d- 1/180
• e- 1/200***

The concentration of Sodium Hypochlorite in the final dilution is 1/200.

Calculation:

• Volume of Clorox: 100 ml
• Volume of water: 1 quart = 946 ml
• Concentration of Sodium Hypochlorite in Clorox: 5.25% W/V

Total volume of the solution:

• Total volume = Volume of Clorox + Volume of water = 100 ml + 946 ml = 1046 ml
• Concentration of Sodium Hypochlorite in the final solution:
• Concentration = (Concentration of Sodium Hypochlorite in Clorox) * (Volume of Clorox) / Total volume
• Concentration = (5.25% W/V) * (100 ml) / (1046 ml) = 0.5019120458891013% W/V

W/V ratio:

• W/V ratio = Mass of Sodium Hypochlorite / Volume of solution
• W/V ratio = (0.5019120458891013% W/V) * 1046 ml = 0.5272374833948006 grams
• W/V ratio = 0.5272374833948006 grams / 1046 ml = **1/200

Therefore, the concentration of Sodium Hypochlorite in the final dilution is 1/200*.