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stira [4]
3 years ago
15

A

Chemistry
1 answer:
uranmaximum [27]3 years ago
3 0

Answer:

1.83 × 10³ cm²

Explanation:

Step 1: Given data

Surface area of a NBA basketball (A): 283 in²

Step 2: Convert "A" from square inches to square centimeters

In order to convert "A" from in² to cm², we need a conversion factor. In this case, we will use the conversion factor 1 in = 2.54 cm. Since "in" is raised to the power of 2, we will have to raise the conversion factor to the power of 2 as well.

283 in² × (2.54cm/1 in)² = 1.83 × 10³ cm²

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What must happen before a body cell can begin mitotic cell division
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3 years ago
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What volume of a 0.3300M solution of sodium hydroxide would br ruired to titrate 15.00 mL of 0.1500 M oalic Acid?
Ganezh [65]

Answer:

3.41 mL

Explanation:

At equivalence point  from the reaction given,

Moles of Oxalic\ Acid = 2 × Moles of NaOH

Considering

Molarity_{Oxalic\ Acid}\times Volume_{Oxalic\ Acid}=2\times Molarity_{NaOH}\times Volume_{NaOH}

Given  that:

Molarity_{NaOH}=0.3300\ M

Volume_{NaOH}=?

Volume_{Oxalic\ Acid}=15.00\ mL

Molarity_{Oxalic\ Acid}=0.1500\ M

So,  

Molarity_{Oxalic\ Acid}\times Volume_{Oxalic\ Acid}=2\times Molarity_{NaOH}\times Volume_{NaOH}

2\times 0.3300\times Volume_{NaOH}=0.1500\times 15.00

Volume_{NaOH}=3.41\ mL

4 0
3 years ago
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