Which action demonstrates a chemical change? A. ice melting into water B. wood becoming charred and black from burning C.
water evaporating from a sugar solution, leaving behind sugar crystals D. a balloon suddenly popping
1 answer:
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Mass 456
relative mass 82
moles
mass = rm x moles
456/82 = 5.5609756....
It makes it more accessible to everybody
Do the atomic mass times the number of atoms you have. That'll give you your answer. Hope it helps!
14. C
15. B
16. D
17. D
18. I am not sure sorry.<span />
That question shoulda be true
