ahernande1384 ahernande1384

07-11-2022
Chemistry

Answered

Someone help, I don't understand this please.

Calculate the average atomic mass of magnesium, given the data in the table below. Show your work.

Magnesium - 24 / Mass 23.9850 / Percent Abundance 78.99%

Magnesium - 25 / Mass 24.9859 / Percent Abundance 10.00%

Magnesium - 25 / Mass 25.9825 / Percent Abundance 11.01%

Answer :

Other Questions

15. A 100 g sample of each of the following metals is heated from 35°C to 45°C. Which metal absorbs the greatest amount of heat energy? Metal 4 magnesium e. cop

15. A 100 g sample of each of the following metals is heated from 35°C to 45°C. Which metal absorbs the greatest amount of heat energy? Metal 4 magnesium e. cop

Avogadro's constant is the same as the number of a. magnesium atoms in 24g of magnesium b. nitrogen molecules in 14g of nitrogen c. copper II sulfate formula u

Calculate the mass percent of the following solution: 65g of KCl in 46.6g of water

The reaction shown has first order kinetics: 2H2 O2 (1) —> 2H2 O (1) + O2 (g) If originally a solution of 0.600 M H2O2, its concentration was found to be 0.0

What mass of carbon dioxide is produced from the complete combustion of 6.70x10-3 g of methane?

26) Calculate the AG rxn using the following information. AH' (kl/mol) S'(l/mol-K) 4 HNO3(g) + 5 N₂H4(0)-7 N₂(e)+ 12 H₂O(0) -133.9 -285.8 266.9 70.0 A)-2.04 - 1

We are given a solution of 12.0 M HCI and want to prepare 300 mL of a 0.6 M solution. How would we prepare it? (300 mL = 0.3 L) M₁V1=M₂V2 M₁ = ? M V₁ = ? L M₂=

1. For Silicon atoms, which IE value will show exceptionally large increase over preceding IE values IE₁, IE2, IE3, IE, IEs, IE6 and 2. Why is the addition of

The Jet Propulsion Laboratory has detected an NEO that is headed toward Earth. The PDCO needs to issue a press release to warn those who will be affected by the