WebOct 28, 2012 · Na2SO4 has: 7 atoms total - 2 sodium, 1 sulfur and 4 oxygen. 2Na2SO4 (two molecules) have 14 atoms. Wiki User ∙ 2012-10-28 18:12:17 This answer is: Hide Comments (2) Anonymous ∙ Lvl 1 ∙... WebGroup of answer choices a. 2.11 mol H2SO4 b. 300g H2SO4 c. 2.11 x 10 -1 mol H2SO4 d. 2.1 mol Na2SO4 2. How many atoms of carbon are in 5.6mol of carbon? Group of answer choices a. 9.30 x 10 -24 b. 3.4 x 10 24 c. 67.2 d. 3.3 This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.
Solved If a sample contains 13.56 mol of Na2SO4, how many
WebChemistry questions and answers. 9. a. Calculate the number of oxygen atoms in 29.34 g of sodium sulfate, Na2SO4 b. How many atoms are present in a 1.48 g sample of chromium? c. How many atoms of nitrogen are in 10. g of NH4NO3? WebHow many moles Na2SO4 in 1 grams? The answer is 0.0070401642780093. We assume you are converting between moles Na2SO4 and gram. ... The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. ... earl name means
Solved How many total atoms are present in 400. grams of - Chegg
WebThere are 7 atoms per molecule, 2 Na, 1 S, 4 O. So: 400 g Na2SO4 * 1 mol Na2SO4/142.04 g * 6.02*10^23 molecules Na2SO4/1 mol Na2SO4 * 7 atoms/1 molecule Na2SO4 = … WebExpert Answer. Answer:- consider the given information, Foemula unit = Na2SO4 So, 1 mol of Na2 …. View the full answer. Transcribed image text: 1) How many atoms of oxygen would be present in 3.65 moles of Na2SO4? (a) 6.62 x 1024 (b) 2.20 x 1024 (c) 8.79 x 1024 (d) 4.40 x 1024. Previous question Next question. WebAug 12, 2024 · Use chemical formulas as conversion factors. Figure 6.5. 1 shows that we need 2 hydrogen atoms and 1 oxygen atom to make one water molecule. If we want to make two water molecules, we will need 4 hydrogen atoms and 2 oxygen atoms. If we want to make five molecules of water, we need 10 hydrogen atoms and 5 oxygen atoms. css input透明背景