one mole of water contains 6.02 x 1023 MOLECULES of water. But each molecule of water contains 2 H and 1 O atom = 3 atoms, so there are approximately 1.8 x 1024 atoms in a mole of water.
<span>x=<span>−<span><span>2<span> and </span></span>y</span></span></span>=<span>−<span>2
</span></span>A.(−2, −2)
Answer:
is number 2
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
-8+8=0
0+19=19
Hope it helps.