Calculate the mass of the compound formed between phosphite and ammonium
Calculate the mass of the compound formed between phosphite and ammonium
QUESTION 1 The formula mass of ammonium phosphite, (NH 4) 3PO 3, is a. 153.11 amu O b. 125.01 amu c. 97.01 amu d. 133.09 amu QUESTION 2 Naturally occurring element X exists in three isotopic forms: X-28 (27.977 amu, 92.23% abundance), X-29 (28.976 amu, 4.67% abundance), and X-30 (29.974 amu, 3.10% abundance). Calculate the atomic weight of X. a. 27.16 amu b.28.97 amu O c. 86.93 amu d. 48.63 amu e. 28.09 amu QUESTION 3 Balance the following equation...
Calculate the molar mass of barium phosphite. 0 216.3 g/mol 601.9 g/mol 569.9 g/mol O 511.6 g/mol none of these
Calculate the equivalent mass of ammonium formate given the proportion: 7.5 mmol ammonium formate per mmol of chalcone. (assume 200 mg (0.2 g) of Chalcone was obtained) Ammonium Formate Molar Mass: 63.0559 g/mol Chalcone Molar Mass: 236.297 g/mol
predict the formula of the compound formed between calcium and bromine
Q45. Write the formula of the compound that will be formed between these elements, THEN determine the nature of the formed compound (ionic OR molecular), and FINALLY name that compound: a. Ba and S: b. Li and Br: c. Na and I: d. Mg and N: e. Al and O: f. Al and P:
For each compound listed below write down the correct formula and calculate the formula mass. Iron(III) sulfide Aluminum nitrate Carbon tetrachloride Perchloric acid Ammonium hydroxide
Calculate the pH of an aqueous solution of sodium hydrogen phosphite, NaHPO3. For phosphorous acid, H2PO3, pKa'= 2.00 and pKa″ = 6.59.
Part 1 - Write the correct chemical formula for the compound formed between the following pairs of ions. Write the chemical formula for the compound formed between Cr3+ and S2
Calculate the molality of a 20.0% by mass ammonium sulfate (NH4)2SO4 solution. The density of the solution is 1.117 g/mL.
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What is the chemical formula for the compound formed between iron(II) and chlorine? chemical formula: What is the chemical formula for the compound formed between iron(II) and sulfur? chemical formula: