A chemist needs to mix a 40% hydrochloric acid with a 70% hydrochloric acid to create a 20 oz mixture that is 55% hydrochloric a
cid. How much of the 70% hydrochloric acid will she need? (don't forget your units)
PLEASE HELP ASAP
1 answer:
Answer:
y=10
Step-by-step explanation:
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