Cho m (g) hh gồm Mg Fe vào 150g dd HCl 2,34 % sau phản ứng thu đc V lít H2 (đktc)
tính V...
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Chemistry, 22.06.2019 22:10
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
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Chemistry, 22.06.2019 22:30
What is the work done by the electric force to move a 1 c charge from a to b?
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Chemistry, 22.06.2019 22:50
At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical
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