The answer is 2C8H18 + 25O2 ⇒ 16CO2 + 18H2O<span />
Answer:
D.4
Explanation:
Number of neutron= mass number - atomic number
where; d no of neutron is 5
d mass no is 9
atomic number be x
5=9-x
x=9-5
x=4
The sulfur dioxide can react with water and produce the sulphurous acid. Sulphurous acid is not steady can decompose to water and SO2. So the formula is SO2+H2O⇔H2SO3.
Answer:1.59
Explanation: For every mol of Ca(OH)2 there are two moles of OH so the concentration of OH is .013 x2 =.026 M OH
pOH = - log [OH] so -log .026 = 1.59