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Dmitry_Shevchenko [17]
3 years ago
9

What is a manipulated variable

Chemistry
1 answer:
alexdok [17]3 years ago
8 0
Things that change in a Experiment!!!
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A sample of a hydrated salt weighing 1.167 g is heated until no more water is given off. The mass of the anhydrous salt was 0.62
jekas [21]

"0.538 g" would be the mass of the water.

Given values are:

Hydrated salt,

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Anhydrous salt,

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→ The mass of water lost by the salt will be:

= Hydrated \ salt - Anhydrous \ salt

By substituting the given values, we get\

= 1.167-0.629

= 0.538 \ g

Thus the above answer is appropriate.

Learn more:

brainly.com/question/9975750

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Basically stoichiometry is the measurement of elements, that is, the study of chemical quantities consumed or produced in a chemical reaction. When we are performing it we are using a special chemical counting unit: the mole, a unit of measurement, and one mole of a substance contains 6.022 * 10^23 particles. Now mole ratio is defined as the ratio of moles of one substance to the moles of another substance in a balanced equation. <span>If we are looking for the mole ratio between two substances, we need to look at the balanced equations</span> for the coefficients in front of the substances you are interested in.
This should be your guiding mantra for doing stoichiometry problems!
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