silver tarnishes is a chemical change
Answer:
0.26 moles
Explanation:
Number of moles = mass/molar mass
Mass of SiO2 = 15.5g
Molar mass of SiO2 = 60.08g/mol
Number of moles = 15.5g/60.08g/mol
=0.257
= 0.26 moles
Temperature is independent and the amount of salt dissolving in water is dependant. This is because the amount of salt dissolving depends on how low or high the water temperature is
Answer:
84,007 g/mol
Explanation:
Molar mass of NazCO3 which is Sodium Bicarbonate (NaHCO₃) is 84,007 g/mol
Answer:
i actualky dont know im sorry but when i figure out i will give it to you