DrTacoElf Full Member Verified Member Dentist 20+ Year Member Jun 25, 2004 #1 Advertisement - Members don't see this ad You mix 10cm^3 of 20% acid and 20cm^3 of 40% acid. Find the resulting % acid.
Advertisement - Members don't see this ad You mix 10cm^3 of 20% acid and 20cm^3 of 40% acid. Find the resulting % acid.
I isd121 Senior Member 7+ Year Member 15+ Year Member Jun 25, 2004 #2 Resulting % = [(10*20)+(20*40)]/(10+20) = 1000/30 = 33.33 = 33 1/3 So answer is d 😉 Upvote 0 Downvote
I isd121 Senior Member 7+ Year Member 15+ Year Member Jun 25, 2004 #3 DrTacoIf, why you took the question out? If you solved it, some else can get help. Upvote 0 Downvote
