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Ksju [112]
3 years ago
13

How many molecules are in 3.0 moles of water

Chemistry
1 answer:
diamong [38]3 years ago
7 0
Hopefully this will help you my friend.

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What is the molarity of a solution prepared by dissolving 54.3 g of Calcium nitrate
Ostrovityanka [42]

Answer: 40 + 2x14 + 6x16 = 164g/mole

54.3g x [1mole / 164g] = 0.331moles

355mL x 1L / 1000mL = 0.355L

molarity = 0.331moles / 0.355L =

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Explanation:

5 0
3 years ago
how much current would be measured in a circuit if the light bulb has a resistance of 6 ohms and a voltage of 36 volts
Stels [109]

Answer:

The right response is "6 A". A further explanation is given below.

Explanation:

The given values are:

Resistance,

R = 6 ohms

Voltage,

V = 36 volts

As we know,

⇒  V=IR

then,

⇒  I=\frac{V}{R}

On substituting the values, we get

⇒     =\frac{36}{6}

⇒     =6 \ A

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3 years ago
When a substance such as ice melts, its temperature increases. describe what happens to the arrangement of the water molecules a
podryga [215]
The answer is B. Hope this helps :)
7 0
3 years ago
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Kyle travelled a total of 762 miles during his vacations to the United States. How many kilometers did he travel?
Mashutka [201]
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4 0
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I have to do an experiment about reaction rates, and i need to have things to dissolve..
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