Molar mass Cu(OH)₂ = <span>97.561 g/mol
1 mol --------- 97.561 g
? mol ---------- 68 g
moles = 68 * 1 / 97.561
moles = 68 / 97.561
= 0.6969 moles
hope this helps!</span>
Answer: Magnesium
Explanation:
Sodium, number of electrons= 11
Aluminum, number of electrons= 13
Magnesium, number of electrons= 12. which is greater than sodium but less than aluminum.
Is there an answer key to choose from? but if not Measure the distance between the two adjacent crest which is the top of the wave
C. both rows and collumns
Answer:
Explanation:
The river bank can expand due to the water breaking apart and move for sediment.