How many moles are in 51 g of (NH4)2SO4? Molar Mass:Molar mass is a constant specific for a certain substance that refers to the mass of a substance per mole. The theoretical molar mass of compounds is acquired by summing up the masses of the elements in the compound while considering...
When three moles of Fe2 O3 are broken down into pure elements there will be 6 moles of iron and 9 moles of oxygen produced. A formula unit of iron...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer...
How many sulfur atoms are present in 0.20 moles of (NH4)2SO4? How many atoms of Sulfur are present in 32.0 moles of Sulfur? How many sulfur atoms are in 3.15 moles of sulfur? How many sulfur atoms are in 2.57 moles of sulfur? How many moles are there in 1.8 x 10^(24) atoms of...
1) Na2SO4 is better for dropping the gold (free electrons greater reactivity) 2) Rest solution 24 hours after dropping last of Pt It falls out on its own, filter and save up. It will help pay for your chems. If you are selling your Pt bring the It with you some buyers will try...
How many atoms are in 1 mole of a substance? Unit Conversion: The most important thing in a unit conversion is the conversion factor. This value allows the conversion from one unit to another by drawing a relationship between the two units involved in the calculation. ...
How can spectroscopy be used to identify the presence of specific elements in a substance? Identify a single reagent or technique that separates. a. Ag+ from Na+ b. NH4+ from Cu2+ Explain ion association in solution. Also, explain why the term "ion pairing" is someti...
The spectroscopy is very useful in identifying the presence of specific elements in a substance . Using this method, scientists identify pure...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can ...
In drawing the Lewis structure of an ion, the following steps are followed. 1. Determine the total valence electrons of the elements in the ions. Do not forget to account for the charge. 2. Identify the central atom as the least electronegative element. Hydrogens are always terminal atoms...
solvent, making a homogenous (uniform) mixture of the two substances. Each substance has its solubility limit, varying from extremely small to extremely large. For example, sodium chloride is very soluble in water, so it's hard to make a precipitate (solution-for...
One mole of {eq}(NH_4)_2HPO_4 {/eq} contains how many moles of hydrogen atoms?Chemical Formula:For chemical substances to be presented, and to identify the elements forming them, chemical formulas are used as a notation of how they can be described in a single compound. The ch...