What is the mass in grams of 30.50 moles of KBr
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Q: A 523.1-mg sample of impure KBr is treated with excess AgNO3 and 814.5 mg AgBr (187.774 g/mol) is…
A: Reaction between KBr and AgNO3 given as: KBr + AgNO3 --> KNO3 + AgBr
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What is the mass in grams of 30.50 moles of KBr?
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- What is the molarity of a solution that contains 50.0 g of vitamin B1 hydrochloride (molar mass = 337 g/mol) in 160 mL of solution?What is the mass in grams of 6.022 * 1023 O atoms of mass 16.00 amu?Determine the mass in grams of 6.42 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01 g.)
- If 10x TBE contains 0.89 M Tris-borate, 0.89 M Boric acid, and 0.02 M EDTA, what is the Molar concentration of Tris-borate in 100 ml of 1x TBE?A 523.1-mg sample of impure KBr is treated with excess AgNO3 and 814.5 mg AgBr (187.774 g/mol) is obtained. What is the purity of the KBr (119.002 g/mol)?A solution with a density of 0.876 g>mL contains 5.0 g of toluene 1C7H82 and 225 g of benzene. Calculate the molarity of the solution.