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SOVA2 [1]
3 years ago
14

What problems could arise if scientists use different units to measure height

Chemistry
1 answer:
Shkiper50 [21]3 years ago
5 0

Scientists can measure the height in different units but problem could arise when they compare all the measurements. That is the reason there is standard units for measurements.

<span>There may be error arises when an American scientist is measuring the height of an object in inches and other Australian scientist is measuring the height of same object in meters. Their data cannot be compared because they are using different units to measure height.</span>

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Answer: 65.38g of Ca(OH)2 is needed

Explanation:

From The equation of reaction

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From The stoichiometric equation

2mol of HCl(36.5×2=73) require 1mol of Ca(OH)2 (74g)

Hence 64.5g of HCl will require 64.5×74/73= 65.38g of Ca(OH)2

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