Convert mass to moles for both reactants. (Round to 2 significant figures.)
2 answers:
Answer:
1. 0.19
2. 0.19
Explanation:
just did on ed 2020
Mass = mr x moles
Mr of CuCl2 = ( 63.5) + ( 35.5 x 2) = 134.5
2.5 = 134.5 x moles
2.5 / 134.5 = moles
Moles = 0.019 (2DP)
0.25g of Al
Mr of Al = 27
0.25 = 27 x moles
0.25/ 27 = 0.0093 moles (2sf)
Hope this helps :)
You might be interested in
Answer:
they board up the windows evacuate sometimes and barricade doors
Explanation:
Answer: aldehyde
Explanation: aldehyde has functional group R—CHO
26.7% is the percent composition by mass of sulfur in a compound named magnesium sulfate. Explanation: Molar mass of compound = 120 g/mol.
The Great Pacific Garbage Patch is created by deep oceans. The Marine Debris is litter that ends up in oceans or other large bodies of water.