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brilliants [131]
3 years ago
9

To create a program with block-based code, the programmer needs to drag the blocks of code into the _____.

Chemistry
1 answer:
padilas [110]3 years ago
8 0

Editor. That’s where you make the code

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A 25.0 mL aliquot of 0.0430 0.0430 M EDTA EDTA was added to a 56.0 56.0 mL solution containing an unknown concentration of V 3 +
Nady [450]

Answer:

Check the explanation

Explanation:

As we know the reaction of  EDTA and Ga^3+ and EDTA and V^3+

Let us say that the ratio is 1:1

Therefore, the number of moles of Ga^3+ = molarity * volume

                                    = 0.0400M * 0.011L

                                    = 0.00044 moles

Therefore excess EDTA moles = 0.00044 moles

Given , initial moles of EDTA  = 0.0430 M * 0.025 L

                                        = 0.001075

Therefore reacting moles of EDTA with V^3+ = 0.001075 - 0.00044 = 0.000675 moles

Let us say that the ratio between V^3+ and EDTA is 1:1

Therefore moles of V^3+ = 0.000675 moles

Molarity = moles / volume

                                    = 0.000675 moles / 0.057 L

                                    = 0.011 M (answer).

4 0
3 years ago
Kilograms represented by the mass defect for oxygen-16: 2.20 × 10 -28 kg What is the nuclear binding energy for oxygen-16?
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Hope that helps u :)

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