Answer:
8 to 8.5 since that is the recommended and people usualy sleep more than that
CH2O2 formic acid I believe so
They use frogs because it easy to get and shows what is going on by what they eat what happened to them and other things.
Answer:
50.96g
Explanation:
Given parameters:
Number of moles of H₃PO₄ = 0.52moles
Unknown:
Mass of the compound = ?
Solution:
To find the mass of the compound:
Mass = number of moles x molar mass of H₃PO₄
Molar mass of H₃PO₄ = 3(1) + 31 + 4(16) = 98g/mol
Mass = 0.52 x 98 = 50.96g
