Co2 is made of carbon ( atomic mass: 12) and oxygen (atomic mass : 16)
First : mass of 1 C atom + mass of 2 O atom = 12+(16*2)=44 amu so 1 mole CO2 =44 grams then 2.5 mole CO2 =44*2.5 =110 grams
So the answer is 110 grams
If the volcano explodes then my hypothesis is correct because...
For that part I need a bit more info if u want u can txt me back :)
Molar mass ( NH₄)₂S => 68.154 g/mol
Volume => 3.00 L
Molarity => 0.020 M
mass = Molar mass x volume x molarity
mass = 68.154 x 3.00 x 0.020
= 4.08924 g of <span>( NH₄)₂S
hope this helps!</span>