Mathematics, 29.07.2019 02:30 kargarzadehsm
Ascience teacher has a supply of 5% hydrochloric acid and a supply of 65% hydrochloric acid(hc1). how much of each solution should the teacher mix together to get 42 ml of 45% hc1 for an experiment? a. the teacher will need 14 ml of the 5% solution and 28 ml of the 65% solution. b. the teacher will need 28 ml of the 5g solution and 14 ml of the 65% solution. c. the teacher will need 14 of ml of both solutions. d. the teacher will need 28 ml of both solutions.
Answers: 1
Mathematics, 21.06.2019 14:30
Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.
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Mathematics, 21.06.2019 20:20
Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)
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Mathematics, 21.06.2019 21:40
Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.
Answers: 1
Ascience teacher has a supply of 5% hydrochloric acid and a supply of 65% hydrochloric acid(hc1). ho...
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