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viva [34]
2 years ago
13

Look at your gumdrop model of a water molecule. If you had several of those water molecules, and you pulled the gumdrops apart,

what other molecules could you make? Explain your answer.
Chemistry
1 answer:
Andrews [41]2 years ago
4 0
It will make a bigger molecule
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Suppose that you add 26.7 g of an unknown molecular compound to 0.250 kg of benzene, which has a K f Kf of 5.12 oC/m. With the a
kiruha [24]

From the calculation, the molar mass of the solution is 141 g/mol.

<h3>What is the molar mass?</h3>

We know that;

ΔT = K m i

K = the freezing constant

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i = the Van't Hoft factor

The molality of the solution is obtained from;

m = ΔT/K i

m = 3.89/5.12 * 1

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Now;

0.76 =  26.7 /MM/0.250

0.76 = 26.7 /0.250MM

0.76 * 0.250MM =  26.7

MM= 26.7/0.76 * 0.250

MM = 141 g/mol

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5 0
3 years ago
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1.8 mol HCl and 3.3 mol NaOH react accord- ing to the equation HCl + NaOH −→ NaCl + H2O . Calculate the amount in moles of NaCl
ollegr [7]

Answer:

1.8 moles of NaCl must be produced.

Explanation:

Based on the reaction:

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<em />

To solve this question we must find, as first, the <em>limiting reactant:</em>

<em />

1.8 moles of HCl will need 1.8 moles of NaOH for a complete reaction (Ratio of reaction 1:1). As there are 3.3 moles of NaOH,

<em>HCl is limiting reactant</em>

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When the 1.8 moles of HCl react completely,

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<span>I believe that its
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