X+4+3x =
4x+4 (you sum the like terms )
Answer:
B) 1, 2, 2, 1
Step-by-step explanation:
In given equation:
Left side: Right Side:
2 Na 1 Na
1 S 1 S
1 H 2 H
1 Cl 1 Cl
To equal the number of Na and H atoms on both sides, HCl and NaCl will have a coefficient of 2 to balance the equation while Na₂S and H₂S will have a coefficient of 1.
1 Na₂S + 2 HCl ⇒ 2 NaCl + 1 H₂S
I think M<1 will equal 35 degrees.
Then number is 3 because 3 times 5 is 15 and 15 plus 2 is 17. Hope this helps.
This is the answer .
If you need more explanation I am free
