Please help!! Approximately what is the minimum temperature needed to dissolve 10 g of KNO3 in 100 g H2O?

Round your answer to the nearest whole number and type in the number only; no units.

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Ответ:

AndyCrasher

19.05.2022

Chemistry

3.6g

Explanation:

2 moles of water gives 1 mole of oxygen

2(h2o)=1(o2)

2(molar mass of h2o)=1(molar mass of oxygen molecule)

2(18)=1(16×2)

36=32

3.6=x

cross multiply

3.6×32=36× x

115.2=36x

x=115.2÷36

x=3.6g

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Please help!! Approximately what is the minimum temperature needed to dissolve 10 g of KNO3 in 100 g H2O? Round your answer to the nearest whole number and type in the number only; no units.