Grams 44441

How many grams of 70% and 45% acid must be mixed to form 300 grams of 60% acid?

Correct answer:

a =  180 g
b =  120 g

Step-by-step explanation:

p1=70%=10070=107=0.7 p2=45%=10045=209=0.45 p=60%=10060=53=0.6  a+b=300 p1 a+p2 b=p 300 a+b=300 0.7 a+0.45 b=0.6 300  a+b=300 0.7a+0.45b=180  Row20.69999999999999 Row1Row2 a+b=300 0.25b=30  b=0.2530=120 a=300b=300120=180=180 g  a=180 b=120



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