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3 years ago

What is the balanced form of the following equation?. Br2 + S2O32– + H2O → Br1– + SO42– + H+.

1 answer:

8 0

For the equation to be balanced, the Atom's coefficient on the left side and the right side of the equation has to be equal

so, the answer would be :

Br2 + S2032- + 5H20 -- > BR2- + 2S02- + H+

Hope this helps

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Find the mass percentage of water in ZnSO4 · 7H20 PLEASE HELP

netineya [11]

Answer:

Hello, I can help!

Explanation:

Molecular Formula: ZnSO4. 7H2O or H14O11SZn

Molecular Weight: 287.6 g/mol

<h2>Computing molar mass (molar weight)</h2>

Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg

Common compound names.

Examples of molar mass computations: NaCl, Ca(OH)2, K4[Fe(CN)6], CuSO4*5H2O, water, nitric acid, potassium permanganate, ethanol, fructose.

-Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)

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3 years ago

Calculate the mass in grams of each sample.

OlgaM077 [116]

Answer: The answer is A. - 4.88x10^20 H2O2 molecules

Explanation: I hope this helps!

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3 years ago

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JulsSmile [24]

Answer:

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2 years ago

Read 2 more answers

A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing 2.314 kg of water?

Mariulka [41]

Answer:

g NaCl = 424.623 g

Explanation:

C NaCl = 3.140 m = 3.140 mol NaCl / Kg solvent

∴ solvent: H2O

∴ mass H2O = 2.314 Kg

mol NaCl:

⇒ mol NaCl = (3.140 mol NaCl/Kg H2O)×(2.314 Kg H2O) = 7.266 mol NaCl

∴ mm NaCl = 58.44 g/mol

⇒ g NaCl = (7.266 mol NaCl)×(58.44 g/mol) = 424.623 g NaCl

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3 years ago

What determines the strength of a solute as an electrolyte?

timama [110]

Solutes become electrolytes by ionizing. Ionic compounds therefore make good electrolytes; covalent compounds don't.

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3 years ago