Answer:
Al2O3 + H2SO4 = Al2(SO4)3 + H2O
Explanation:
Answer;
K+ and NO3- ions
Explanation;
The main ions remaining are K+ and NO3- ions after pbi2 precipitation is complete.
However; There will always be tiny amounts of Pb2+ and I- ions, but most of them are in the solid precipitate.
Answer:
yes
Explanation:
oak trees don't have vertebrates
Answer:
Explanation:
Hello,
In this case, since at 60 °C, 108 grams of ammonium bromide are completely dissolved in 100 grams of water for a saturated solution, once it is cooled to 30 °C, wherein only 83.2 grams are completely dissolved in 100 grams of water, the following mass will precipitate:
Best regards.
To measure length scientists may use rulers, meter sticks, etc. and to measure mass they may use a balance.