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What volume of 12.0 M HCl is required to make 75.0 mL of 3.50 M HCl?

a) 21.9 mL

b) 0.560 mL

c) 257 mL

d) 75.0 mL

1
by ReynaldoA74

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a) 21.9 mL

b) 0.560 mL

c) 257 mL

d) 75.0 mL

by ReynaldoA74

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where c1=concentration of first solution

v1=volume of 1st solution

c2=concentration of 2nd solution

v2=volume of 2nd solution

v1=(3.5M(75ml))/12M

v1=262.5/12

v1=21.875ml or 21.9 ml

therefore answer is letter