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Taya2010 [7]
3 years ago
8

Identify the reactants in the following equation.

Chemistry
1 answer:
Ratling [72]3 years ago
3 0

Answer:

Li + Cl₂

Explanation:

left side of the arrow are reactants and right side of the arrow are products.

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What is the molar mass of calcium carbonate (CaCO3) ?
agasfer [191]

Answer: 15.1 grams

Given reaction:

Na2CO3 + Ca(OH)2 → 2NaOH + CaCO3

Mass of Na2CO3 = 20.0 g

Molar mass of Na2CO3 = 105.985 g/mol

# moles of Na2CO3 = 20/105.985 = 0.1887 moles

Based on the reaction stoichiometry: 1 mole of Na2CO3 produces 2 moles of NaOH

# moles of NaOH produced = 0.1887*2 = 0.3774 moles

Molar mass of NaOH = 22.989 + 15.999 + 1.008 = 39.996 g/mol

Mass of NaOH produced = 0.3774*39.996 = 15.09 grams

Explanation:

6 0
3 years ago
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What is the V2O5 coefficient??
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Answer:

1235

Explanation:

if thers a  a guess in that number

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3 years ago
Please help meeee ;-;
Elena-2011 [213]

Answer:

number (12 is c)  (13 is 5) (14 is 5)

Explanation:

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2 years ago
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I can't find the density of this question I need help
zaharov [31]
Density is Mass divided by volume.
4 0
3 years ago
what is the molecular formula for a compound with the empirical formula: K2SO4 and a molecular mass of 696g​
LekaFEV [45]

Answer:

K8S4O16 or K8(SO4)4 depending on if the SO4 is supposed to represent sulfate or not

Explanation:

Find the molar mass of K2SO4 first:

2K + S + 4O ≈ 174 g/mol

Divide the goal molar mass of 696 by the molar mass of the empirical formula:

696 / 174 = 4

This means you need to multiply everything in the empirical formula by 4:

K2SO4 --> K8S4O16 or K8(SO4)4 depending on if the SO4 is for sulfate or not

4 0
2 years ago
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