Question:

Please help on these chem ?'s?

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Is it A B C D or E

This isn't HW, its suppose to help me for the test, the #'s are going to b different but in the same format. so how do u solve them? Thank you sooo MUCH

1) To prepare exactly 200. ml of a 5.00M solution of calcium chloride(CaCI2) solution ___g of the ssalt would be required

A 1.11

B 75.5

C 111

D 250

2) the mass % of the solute in a solution containing 5.85 g of sodium chloride in 100.g of water is

A 5.53%

B 94.5%

C 5.85%

D 0.100%

3) In a solution, the substance that is present in the smaller amt is called

A solute

B solvent

4) Molarity is defined as the # of moles of solute per liter of solution

A true

B false

5) Phenolphthalein is ___ in acidic solution

A blue

B pink

C colorless

D green

6) litmus is ___ in basic solution

A blue

B pink

C colorless

D green

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1 ANSWERS


  1. 3.a

    4.a

    5.b

    6.a

    sorry i dont know theabove qno. 1&2

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