A) H3PO4
H(+1),
P(X)
O(-2)
3*(+1)+x+4*(-2)=0, 3+x-8=0, x=+5
b)P2O5
P(x)
O(-2)
2x-2*5=0, 2x=10, x=+5
c) PH3
P(x)
H(+1)
x+3*(+1)=0, x+3=0, x=-3
If I understood question correctly,
football 1.3 • 102=132.6
Answer is 132 students participate in football.
When you take 7.83 g of H2, you convert to moles by dividing by the molar mass (2.02) and multiply by the number of H2s over H2Os. Then do the same for the O2. the limiting reagent in this case is the Oxygen by what I calculated.
Answer:
I believe the answer is a
Explanation:
Painting does not save the chemical structure for preserving metals.
If this helped can i please have brainliest?