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Firlakuza [10]
3 years ago
13

How many CARBON atoms are present in 2C3H8O3 ?

Chemistry
1 answer:
Travka [436]3 years ago
5 0

Answer:

b

Explanation:

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The label on a bottle of medicine reads​ "Each 5 mL teaspoonful contains​ glucose, 1.87​ g; levulose, 1.87​ g; and phosphoric​ a
Alexandra [31]

(a) 43.6 mg; (b) 520 mg

(a) <em>Mass of phosphoric acid (PA) in a dose </em>

Mass of PA = 2 tsp × (21.8 mg PA/1 tsp) = 43.6 mg PA

(b) <em>Mass of PA in the bottle </em>

<em>Step 1</em>. Convert <em>ounces to millilitres </em>

Volume = 4 oz × (30 mL/1 oz) = 120 mL

<em>Step 2.</em> Calculate the mass of PA

Mass of PA = 120 mL × (21.8 mg PA/5 mL) ≈ 520 mg PA

4 0
4 years ago
In a classroom, which comparison would a teacher most likely use for describing a mole?
mihalych1998 [28]

Answer:

If you were speaking of the term mole as a skin condition then a teacher might compare it to a beauty spot. In the position your were speaking of it as an animal they might compare it to mouse a rat or a hamster. In the case you were speaking of a mole as a secret agent then a teacher might compare them to a double agent.

8 0
3 years ago
What is pH?
Viktor [21]
I think the answer A or C
8 0
3 years ago
How do scientist categorize the electromagnetic spectrum?
sdas [7]

Answer:

Into seven sections based on frequency

Explanation:

There are 7 em spectrums from radio waves, to infrared waves, to gamma rays listest in order from lowest to highest frequency.

8 0
3 years ago
Many types of scientific equipment are used to perform different functions in the science lab. Which of the following combinatio
alisha [4.7K]

The scientific instruments used to heat water to 85 degree Celsius has been graduated cylinder, beaker, thermometer, and hot plate. Thus, option B is correct.

Scientific equipments have been defined as the instruments and glassware that has been used in the scientific study and experimentation.

<h3>Equipments for heating the water</h3>

The water has been heated to the temperature of 85 degrees Celsius. The temperature has to be monitored thus, a thermometer has been used.

The water has been measured to be 1 L, thus the graduated cylinder, and beaker has been used for the measurement and heating of water.

The heat has been provided to the beaker by placing it on a hot plate.

Thus, the scientific instruments used to heat water to 85 degree Celsius has been graduated cylinder, beaker, thermometer, and hot plate. Thus, option B is correct.

Learn more about scientific equipments, here:

brainly.com/question/24690874

3 0
3 years ago
Read 2 more answers
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