Monthly Archives: January 2017
85.25 g calcium hydroxide mixes with aqueous hydrochloric acid (HCl) to make aqueous calcium chloride and water. Write the balanced equation including states of matter. Determine the type of chemical reaction. Convert the mass of calcium hydroxide to moles.
A) Convert the following: 274.55 g sodium chloride to moles 3.88 x 1024 atoms iron to grams. B) Chromium metal reacts with oxygen gas to produce chromium(III) oxide. Write the word equation, formula equation, and balance it.
Convert the following: 42.86 g calcium to atoms 285.2 L of carbon dioxide gas to moles 2.05 moles copper(II) chloride to grams The mass of the empty crucible and lid was 28.25 g. The mass of the crucible, lid, and … Continue reading
A Hydrate is a substance that has a water molecule added to it. A Prefix is used to show how many molecules of water there are. Determine the Molar Mass of Copper(II) Sulfate Pentahydrate. Determine the percent by mass of … Continue reading
What is the formula mass of: Sodium Chloride Water Sodium Sulfite Copper(II) Sulfate What is the definition of Molar Mass? How many atoms are in 5.25 moles of sodium sulfite? How many moles are in 2.86 grams of copper(II) sulfate?