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ruslelena [56]
3 years ago
6

Why is litmus paper an example of an indicator

Chemistry
1 answer:
Alexxx [7]3 years ago
5 0
It gives visible feedback based on whether the substance being checked is an acid or an alkali
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irina [24]

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genes

Explanation:

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3 years ago
A diver dives off of a raft - what happens to the diver? The raft? How does this relate to Newton's Third Law?
sukhopar [10]

Answer:

Reaction Force!!

Explanation:

The diver moves “forward" and dives into the water. The raft moves "backwards” in the water because of the reaction force. The action force is the diver pushing off of the raft, and the reaction force is the raft pushing back on the diver (causing the diver to go forward and into the water).

Hope this helps you!!!

5 0
2 years ago
How many grams of nano3 are needed to prepare 100 grams of a 15.0 % by mass nano3 solution? will give brainliest
Greeley [361]

Answer:

Calculate the mass percent of a potassium nitrate solution when 15.0 g KNO3 is dissolved in 250 g

of water.

2. Calculate the mass percent of a sodium nitrate solution when 150.0 g NaNO3 is dissolved in 500 mL

of water. Hint: 1 mL water = 1 g water

3. Calculate the weight of table salt needed to make 670 grams of a 4.00% solution.

4. How many grams of solute are in 2,200 grams of a 7.00% solution?

5. How many grams of sodium chloride are needed to prepare 6,000 grams of a 20% solution?

Mass Percent = Grams of Solute

Grams of Solution X 100%

100%

Grams of Solute = Grams of Solution X Mass Percent

= 26.8 grams NaCl

= 670 grams X 4.00%

100%

100%

Grams of Solute = Grams of Solution X Mass Percent

= 154 grams solute

= 2,200 grams X 7.00%

100%

100%

Grams of Solute = Grams of Solution X Mass Percent

= 1,200 grams NaCl

= 6,000 grams X 20.0%

100%

Explanation:

5 0
3 years ago
What is the phase label on H3O+?
Virty [35]

Answer:

I think it’s  aq but your choice.

Explanation:

8 0
2 years ago
In your own words, summarize the steps you took to complete the lab. Explain what the test (independent) variable was, and what
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2 years ago
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