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SOLVED: When 89.22 grams of potassium sulfate (molar mass 174.3 g/mol) was dissolved in 587 g of water (H2O) in a calorimeter, the temperature of the water dropped by 0.46°C. Calculate the q of water. Calculate the q of the potassium sulfate dissolving. Calculate ΔH for the potassium sulfate dissolving. Is the dissolving of potassium sulfate exothermic or endothermic?

SOLVED: When 89.22 grams of potassium sulfate (molar mass 174.3 g/mol) was dissolved in 587 g of water (H2O) in a calorimeter, the temperature of the water dropped by 0.46°C. Calculate the q of water. Calculate the q of the potassium sulfate dissolving. Calculate ΔH for the potassium sulfate dissolving. Is the dissolving of potassium sulfate exothermic or endothermic?

2023年12月5日

(Given, molar mass : Potassium dichromate =294, Mohr's salt =39... | Filo

(Given, molar mass : Potassium dichromate =294, Mohr's salt =39... | Filo

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2016年5月12日

what is the molarity of a solution of 10 by mass cadmium sulfate cdso4 molar mass 20846 gmol by mass the density of the solution is 110 gml 0436 m 0479m 0528 m 229 m 78977

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2021年9月18日

A 55.0-mL sample of a 0.102 M potassium sulfate solution is mixed with 35.0 mL of a 0.114 M lead(II) acetate solution and this precipitation reaction occurs: K2 SO4(a q) Pb(C2 H3 O2)2(a q) ⟶2 KC2 H3 O2(a q) PbSO4(s) The solid PbSO4 is collected, dried, and found to have a mass of 1.01 g. Determine the limiting reactant, the theoretical yield, and the percent yield. | Numerade

A 55.0-mL sample of a 0.102 M potassium sulfate solution is mixed with 35.0 mL of a 0.114 M lead(II) acetate solution and this precipitation reaction occurs: K2 SO4(a q) Pb(C2 H3 O2)2(a q) ⟶2 KC2 H3 O2(a q) PbSO4(s) The solid PbSO4 is collected, dried, and found to have a mass of 1.01 g. Determine the limiting reactant, the theoretical yield, and the percent yield. | Numerade

2021年1月5日

Chromic Potassium Sulfate Dodecahydrate

Klabin announces production of potassium sulfate from ash generated from boiler operations; new technology enables recovery of potassium from ash, supporting end markets including fertilizers | Industry Intelligence Inc.

industryintel.com

The mass of potassium dichromate crystals required to oxidise 750 cm ^3 of 0.6 M Mohr's salt solution is: [Given, molar mass, potassium dichromate = 294, Mohr's salt = 392]

2022年3月6日

Calculate the molar mass of potassium chloride, KCI.

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A 1.547 -g sample of blue copper(II) sulfate pentahydrate, CuSO4 ·5 H2 O, is heated carefully to drive off the water. The white crystals of CuSO4 that are left behind have a mass of 0.989 g. How many moles of H2 O were in the original sample? Show that the relative molar amounts of CuSO4 and H2 O agree with the formula of the hydrate. | Numerade

2021年3月8日

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