Calculate the pH after 0.020 mol HCl is added to 1.00 L of each of the four solutions below. Answer with the correct number of significant

Calculate the pH after 0.020 mol HCl is added to 1.00 L of each of the four solutions below. Answer with the correct number of significant figures.

explanation: venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things. here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt. so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.

C) the increase in atmospheric pressure pushes the walls of the balloon outward thus making it is the answer.hope i you.

a. the law of proportion states the combination of 2 atoms in a specific ratio to produce multiple compounds such as the given statement of question ‘1st compound contains 88.8 % cu ’ indicates 88.8 g of cu is present along with 11.2 g oxygen in 100 g of compound whereas the statement ‘2st compound contains 79.9 % cu ’ indicates 79.9 g of cu is present along with 20.1 g oxygen in 100 g of compound 1st compound contains 88.8 g cu for cu m = 63 g /mol atomic % = 88.8 /63 = 1.42 for o m = 16 g /mol atomic % = 11.2 /16 = 0.7 b. the emperical formula of 1st compound is cu1.4o0.7 cu2o

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A. burning woodcombustion is the process of burning something. make brainliest if correct