February 2019 0 26 Report
Pomozecie blagam??????
20 ml 63% roztworu HNO3 (d=1,4g/cm3) rozcieńczono wodą do 800 ml, dodano 40 ml 2-molowego roztworu NaOH i 160 ml wody. Oblicz pH otrzymageo roztworu.
rosze o wytlumaczenie
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