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nataly862011 [7]
4 years ago
11

How many moles of solute would be needed to form two liters of a one molar

Chemistry
1 answer:
SCORPION-xisa [38]4 years ago
5 0

Answer:

2 moles of solute.

Explanation:

Molarity is defined as number of moles of solute present in one litre of solution.

Hence one molar solution of NaCl means 1 mole of NaCl is present in 1 litre of solution.

Molarity = \frac{Number of moles of solute}{volume of solution in litres}

For 1 litre of solution 1 mole of solute is required to make a one molar solution.

Hence for 2 litres of solution we require 2 moles of solute to keep it one molar.

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If you had 0.681 moles of caso4.2h2o, how many moles of h2o would you have?
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One tank of gold fish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four ti
Arturiano [62]

The question is incomplete, the complete question is;

One tank of goldfish is feed the normal amount which is once a day, a second tank is fed twice a day, and a third tank is fed four times a day during a 6 week study. The fishes' body fat is recorded daily.

Independent Variable-

Dependent Variable-

Constants

Control Group-

Answer:

A) The amount of food the gold fish receives

B) Body fat of the gold fish

C) -Type of fish used in the study (gold fish)

Time period within which the fishes were fed (Six week period)

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Explanation:

The purpose of the study is to determined the impact of amount of feed on the body fat of gold fish. Hence, the amount of feed is the independent variable while the body fat of the feed is the dependent variable.

The control group receives the normal amount of feed (once a day). The fishes are all gold fish, fed within a six week period. All the tanks were of the same shape and size. These are the constants in the study.

4 0
3 years ago
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Explanation:

I suggest looking at the electron configuration chart, it has really helped me a lot :)

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Answer:

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Explanation:

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