Toni Jones

This page lists questions and answers that were posted by visitors named Toni Jones.

Questions

The following questions were asked by visitors named Toni Jones.

Two beakers were used in an experiment each with 100g of water at 30 degrees C. To the first beaker, 90g of NaNO3 was added. To the second beaker, 90g of KNO3 was added. (a)Which beaker had the salt precipitate out (settle to the bottom) and how much? (b)...

Determine the number of grams of gas in 1.5 x 10^13 atoms of helium?

Hydrogen Fluoride is produced from the reaction of calicum fluoride are reacted with an excess of sulfuric acid. How much hydrogen fluoride is formed if the percent yield is 93.0%?

Hydrogen fluoride is produced from the reaction of calicum fluoride with sulfuric acid, which also forms calicum sulfate. 6.00 kg of calicum fluoride are reacted with an excess of sulfuric acid. How much hyrdogen fluoride is formed if the percent yield is...

Titanium, a strong, lightweight metal used in many applications, is prepared by the reaction of titanium(IV) chloride with molten magnesium metal. 3.45 x 10^7g of titanium(IV) chloride is reacted with 1.13 x 10^7g of magnesium, 7.91 x 10^6g of titanium me...

A 1.00L sample of seawater contains 19.4g of chloride ions, 10.8 g of sodium ions, and 1.29 g of magnesium ions. How many more moles of chloride ions would be needed to make neutral salts of all the cations in solution?

A beaker contains 100 grams of 1.20 M NaCl. If you transfer 50% of the solution to another beaker, what is the molarity of the solution remaining in the first beaker?

A 100.0mL sample of the lake water was treated with 1.0mL of 1M AgNO3. 71.7mg of silver (I) chloride was isolated.What is the concentration of chloride ions in the water sample?

What volume of 1.30 M SrCl2 is needed to prepare 525 mL of 5.00 mM SrCl2?

What is the total molar concetration of all the ions in 0.015 M solutions of the following salts in water? .015 M KCl .015 M CuSO4 .015 M CaCl2

A volume of 10.0 mL of a 0.00650 M solution of Cl- ions are reacted with 0.500 M solution of AgNO3. What is the maximum mass of AgCl that precipates?

A sample of a gas weighs 4.526g and has a volume of 890.9 mL at 645.0 torr and 29(degrees C). What is its molar mass? I just need help setting this up!

A sample of a gas weighs 4.526g and has a volume of 890.0 mL at 645.0 torr and 29(degrees C). What is its molar mass?

What is the final energy level of an electron that absorbs energy of 656nm if the electron started at the n=2 level of the hydrogen atom?

Example: Sulfur Trioxide Chemical formula: SO3 Valence e-: ? Needed e-: ? Difference/Bond: ?? Please help me!

Find the equation that describes the energy of a photon emitted as an electron relaxes from a higher energy level to a lower one in a hydrogen atom. 6 to 1 6 to 2 6 to 3 6 to 4 6 to 5 5 to 1 5 to 2 5 to 3 5 to 4 4 to 1

What is the lewis structure for In+? I have tried everything and the answer seems wrong? Please help me

Answers

The following answers were posted by visitors named Toni Jones.

is the theoretical yield 6.00?

how do you get the molar mass from the moles?

3.03 x 10^-19 J Is that right?

Is this the equation you use for each one, but just switch out the 6 and 1?