Mylanta a common antacid contains magnesium hydroxide
Mg (OH)2. How many miles of
magnesium hydroxide are in
75.Og of magnesium
hydroxide?
i)0.551 moles
ii)0.778 moles
iii) 1.29moles
iv)1.82 moles

Calculate the number of molecules present in 0.750 mol of mgo.

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.