Zach6911 Zach6911

06-10-2022
Chemistry

Answered

calculate the number of oxygen atoms in a 150.0g sample of scheelite cawo4. be sure your answer has a unit symbol if necessary, and round it to 4 significant digits.

Answer :

Other Questions

Calculate the number of atoms. a. 25.75 g Hg

carbon absorbs energy at a wavelength of 150 nm. the total amount of energy emitted by a carbon sample is 1.98 x 105 j. calculate the number of carbon atoms pre

use the densities of water and ethanol that you calculated in experiment 11 to answer the questions. what is the mass of a sample of water that has a volume of

How is good (stratospheric) ozone formed? a. combining an oxygen molecule (o2) an atom of chlorine (cl) b. combining a single oxygen atom (o) with an oxygen mol

Why did it require two sodium atoms to complete the na2o formula unit? na has 2 charge and o has -1 charge. na has 1 charge and o has -2 charge. na has -2 charg

if gallium 68 has a half life of 68.3 minutes, how much of a 10.0 mg sample is left after one half life?

be sure to answer all parts.the nutritional calorie (calorie) is equivalent to 1 kilocalorie. one pound of body fat is equivalent to about 4.10 × 103 calories.

3.A chemical reaction in which calcium carbonate, CaCO3, is decomposed results in the production of two simpler compounds. CaCO3 → ? g + CaO + 28.00 g CO₂ 21.97

An 85 g sample of CO₂ contains 23.2 g of C. What is the percent mass of carbon in carbon dioxide?

the oxygen equivalence number of a weld is a number that can be used to predict properties such as hardness, strength, and ductility. an article presents severa