Answer:
I dont really understand your question. but maybe this might help.
https://quizlet.com/283377931/radiation-flash-cards/
Explanation:
Answer:
2As2S3 + 9O2 = 2As2O3 + 6SO2
Explanation:
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 :)
Blood flowing into and out your heart makes your pulse
A. Covalent bonds is the answer
