Answer:
d 2,4,3
Explanation:
2 Al2O3 ----> 4 Al + 3 O2
Answer:
Cr(OH)2(s), Na+(aq), and NO3−(aq)
Explanation:
Let is consider the molecular equation;
2NaOH(aq) + Cr(NO3)2(aq) -----> 2NaNO3(aq) + Cr(OH)2(s)
This is a double displacement or double replacement reaction. The reacting species exchange their partners. We can see here that both the sodium ion and chromium II ion both exchanged partners and picked up each others partners in the product.
Sodium ions and nitrate ions now remain in the solution while chromium II hydroxide which is insoluble is precipitated out of the solution as a solid hence the answer.
The answer is 18.02 grams
You can have as many controls as necessary, But they must remain equal at all times in order to get the most accurate results
Answer:
The more fraction NaoH is 39.998g/mol
