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Hitman42 [59]
3 years ago
9

Which is an example of making a quantitative observation?

Chemistry
1 answer:
lions [1.4K]3 years ago
8 0
Measuring the surface of an oil painting and finding its dimensions 12 to be  12 inches
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1.2 g/ ml

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3 years ago
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
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Answer:

1.8 moles of NaCl must be produced.

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Based on the reaction:

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<em>1 mol of HCl reacts with 1 mol of NaOH to produce 1mol of NaCl</em>

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

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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,

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When the 1.8 moles of HCl react completely,

1.8 moles of NaCl must be produced because 1 mole of HCl produce 1 mole of NaCl

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