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faltersainse [42]
3 years ago
14

Which is not a function of antibodies? neutralize antigen. agglutinate or precipitate antigen. activate complement enhance phago

cytosis. all of these choices are functions of antibodies?
Biology
1 answer:
siniylev [52]3 years ago
8 0
All of above choices are functions of antibodies
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If 240 mL of water is added to 13 mL of 5.0 M NaCl solution,
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Answer:

The correct answer is 0.26 M

Explanation:

The initial concentration of NaCl solution (Ci) is 5.0 M. The initial volume of the solution (Vi) is 13 mL. The final volume is the addition of 240 mL to 13 mL (Vf= 13 mL + 240 mL= 253 mL).

In order to calculate the final concentration of the solution (Cf) we can use the following expression:

Ci x Vi= Cf x Vf

This mathematical expression is often used to calculate concentrations in dilution procedures. So, we introduce Ci, Vi an Vf in the expression and we calculate Cf:

Cf= (Ci x Vi)/Vf= (5.0 M x 13 mL)/253 mL= 0.257 M ≅ 0.26 M

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