4 years ago

Balanced equation for this? _ HBr + _ KHCO3  _ H2O + _ KBr + ___ CO2

Chemistry

1 answer:

Neporo4naja [7]4 years ago

8 0

HBr + KHCO3 ➡️ H2O + KBr + CO2
Everything is already balanced in the problem.

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What is the density of a substance that has a mass of 453g and a volume of 224mL?

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Be sure to answer all parts. For an aqueous solution of sodium chloride (NaCl), determine the molarity of 4.05 L of a solution t

SpyIntel [72]

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$0.824\ \text{M}$

$5.62\ \text{L}$

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Explanation:

Molar mass of NaCl = 58.44 g/mol

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Volume of solution = 4.05 L

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$\dfrac{195}{4.05}\times \dfrac{1}{58.44}=0.824\ \text{M}$

The molarity of the solution is $0.824\ \text{M}$

Moles of NaCl = 4.63 mol

Volume is given by

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The volume of the solution that contains the required amount NaCl is $5.62\ \text{L}$

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Moles of solution is given by

$0.824\times 25.35=20.89\ \text{mol}$

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3 years ago

What is the ratio of the diffusion rates of cl2 and o2? rate cl2 : o2 = 0.47 0.67 0.45 0.69 1.5?

matrenka [14]

The ratio of the diffusion rate of Cl2 and O2 is 1.5

calculation
rate of diffusion Cl2/ rate of diffusion O2 =√ molar mass of Cl2/ molar mass of O2

molar mass of Cl2 = 35.5 x2 = 71 g/mol
molar mass O2 = 16 x2 =32g/mol

that is rate of diffusion Cl2/ rate of diffusion of O2 =√ 71/ 32= 1.5

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3 years ago

Balanced equation for this? ___ HBr + ___ KHCO3  ___ H2O + ___ KBr + ___ CO2

Balanced equation for this? _ HBr + _ KHCO3  _ H2O + _ KBr + ___ CO2