Inorganic Chemistry Answers

Find the molecular formula of a compound that contains 18.7 g of lithium, 16.3 g of carbon, and 65.0 g of oxygen. The molar mass of the compound is 73.8 g/mol.

using Avagadro's law,i have to determine the cost in dollar if a single aluminum atom in a roll or aluminum foil. roll cost $3.29 for 6.96 sq meters (m2).

A sample of hydrogen gas (H2) has a volume of 17.4 L at a temperature of 0°C and a pressure of 1.60 atm. The number of moles of H2 molecules of hydrogen in the sample is

A sample of nitrogen gas exerts a pressure of 9.80 atm at 32 °C. What would its temperature be (in °C) when its pressure is increased to 11.2 atm?

A balloon containing 0.56 mol of helium has a volume of 10.0 L. What volume will the balloon occupy if helium is lost and only 0.21 mol remain?

What are the equilibrium concentrations of H2SO3, H+, HSO3−, and SO32−in a 0.050 M solution of sulfurous acid H2SO3 at 25 oC? For H2SO3 at 25 oC, Ka1 = 1.5×10−2 and Ka2 = 1.0×10−7

A weak acid HA is 1.0% dissociated in a 1.0 M solution. What would its percent dissociation be in a 5.0 M solution?

Solid calcium hydroxide, Ca(OH)2, is dissolved in water until the pH of the solution is 10.23. What is the concentration of calcium ion [Ca2+]?

hello,
my question is not exactly a chemical one, but I would like to ask whether mangenese dioxide is dangerous if ingested or inhaled in very small amount