Question 1

Calculate the pH of a 0.00118 M solution of HBr

Accepted Answer

2.93

Answer

13.01

Answer

0.99

Answer

11.07

Question 2

Which of the following is acidic?

Accepted Answer

https://uploads.quizalize.com/d43d9696-8c81-4f05-ae01-7c0e45fc391d/question/00b54e944fcdcec577b429a91378b33919ff2f8b.jpg

Answer

https://uploads.quizalize.com/d43d9696-8c81-4f05-ae01-7c0e45fc391d/question/8158e9f05c005f578d847d026c85c4e058f5eb2e.jpg

Answer

https://uploads.quizalize.com/d43d9696-8c81-4f05-ae01-7c0e45fc391d/question/19b53a1b1ad14c20c4a4f4631caf7558e3c3a363.jpg

Answer

https://uploads.quizalize.com/d43d9696-8c81-4f05-ae01-7c0e45fc391d/question/a8963b919d7bad8f88f1bd0febd06c0764f82e69.jpg

Question 3

Answer the question above

Accepted Answer

1.56x10^-10

Answer

6.40x10-5

Answer

4.10x10-9

Question 4

Calculate the pH of 10mg of NaOH dissolved in 500mL water.

Accepted Answer

freetext://10.7

Question 5

Match the product with its acidity.

Accepted Answer

linking://toothpaste|base:distilled water|neutral:lemon|acid

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