If you have 2.6 moles of Na 2 CO 3 , how many moles of sodium ions (Na + ) would

ID: 889358 • Letter: I

Question

If you have 2.6 moles of Na2CO3, how many moles of sodium ions (Na+) would you have? (Report your answer to two significant figures)

Question 1 options:

5.2

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Question 2 (1 point)

When balancing an unbalanced equation, you may need to add both coefficients and subscripts to the equation in order to balance it.

Question 2 options:

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Question 3 (1 point)

Question 3 options:

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Question 4 (1 point)

Question 4 options:

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Question 5 (1 point)

How many Al3+ ions are there in 0.500 g of Al2(SO4)3?

Question 5 options:

342.3 mol

ions

a) 1.3 b) 6.02x1023

5.2

d) 2.6

Question 1. If 2.6 moles of Na2CO3 is give, moles of Na+ would be,

c. 5.2 moles

Question 2. In balancing chemical equation we need to balalnce botht he cefficients and subscritps

False

Question 3. In the given equation, the coefficient of CO2 in the balanced equation would be

e. 16

Question 4. In the given equation the coefficient of O2 in balanced equation would be,

e. 6

Question 5. In Al2(SO4)3 we have,

2 Al3+ ions

with moles of Al3+ = 2.92 x 10^-3 mols

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