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sammy [17]
2 years ago
15

calculate the (m/v) of nacl of a solution made by diluting 25.0 ml of a 7.50 (m/v)% NaCl solution to a total volume of 75.00 ml

Chemistry
2 answers:
postnew [5]2 years ago
8 0

Answer:

c

Explanation:

Elza [17]2 years ago
7 0

Answer:

2.5%

Explanation:

Given

M1 = 7.50%

M2 = ?

V1 = 25.0mL

V2 = 75.00mL

M1V1=M2V2

7.5x25=M2x75

M2=2.5%

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