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aev [14]
3 years ago
9

10. A toy car travels 100 cm in 20 seconds traveling west. What is the velocity of the toy car? O 5cm/s 50 cm/s 5 cm/s west 50 c

m/s west​
Chemistry
1 answer:
astraxan [27]3 years ago
7 0

5cm

Explanation:

you have to divide 100cm by 20 sec

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Explanation:

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2 years ago
Calculate a reasonable amount (mass in g) of your unknown acid to use for a titration. You will want about 30 mL of titrant to g
Vinil7 [7]

Answer:

"0.60 g" is the appropriate solution.

Explanation:

The given values are:

Volume of base,

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Molarity of base,

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As we know,

⇒  Molarity=\frac{Number \ of \ moles \ of \ base}{Number \ of \ solution}

On substituting the values, we get

⇒           0.05=\frac{Number \ of \ moles \ of \ base}{30\times 10^{-3}}

⇒  Number \ of \ moles \ of \ base=0.05\times 30\times 10^{-3}

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hence,

⇒  Moles \ of \ acid=\frac{Mass \ of \ acid}{Molar \ mass \ of \ acid}

On substituting the values, we get

⇒  1.5\times 10^{-3}=\frac{Mass \ of \ acid}{400}

⇒  Mass \ of \ acid=1.5\times 10^{-3}\times 400

⇒                         =0.60 \ g

8 0
3 years ago
What procedure could a student use to examine an intensive property of a rectangular block of wood
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2 years ago
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