Questions by Guiomie

Questions by Guiomie

The density of Na2Co3 solution at 20Celsius is 1.019g/mL. The mass fraction w(Na2CO3) is 0.02 (2%). What's the concentration of the solution?

asked Aug 10, 2023

1 answer

12 votes

275k views

Rehana had a certain money in her purse. she spent $10 1/4 in the school canteen, bought a gift worth with $25 3/4 and gave $16 1/2 to her friend. how much she have to begin with

asked May 5, 2023

1 answer

32 votes

433k views

Use the distributive property to write the following expressions in expanded form. 2(b + 3)

asked Mar 7, 2023

1 answer

2 votes

253k views

Help PLs!!! (Algebra 1) Question in picture!!!

asked Feb 5, 2023

1 answer

24 votes

148k views

Question 1 (Multiple Choice Worth 2 points) (07.02 LC) Select a piece of information you can get by looking up a word in the dictionary. A word that means the opposite Similar meaning words O The part

asked Feb 1, 2023

2 answers

12 votes

339k views

Help please! find perimeter and area

asked Jan 13, 2023

1 answer

18 votes

524k views

The most efficient control of eukaryotic gene expression is achieved at the level of.

asked Jan 11, 2023

1 answer

28 votes

397k views

What two numbers have a product of 144 and a sum of -24?

asked Jun 16, 2022

1 answer

31 votes

365k views

HELP ASAP!!! What are the exact solutions of x2 − 3x − 1 = 0 using x equals negative b plus or minus the square root of the quantity b squared minus 4 times a times c all over 2 times a? x = the quantity

asked Apr 21, 2022

1 answer

22 votes

512k views

Six math books, four physics books and three chemistry books are arranged on a shelf. How many arrangements are possible if all books of the same subject are grouped together?

asked Mar 14, 2022

1 answer

16 votes

392k views

Compare and contrast the historical classification models that we have studied. Please include a discussion of the positive and negative aspects of classification systems used by Aristotle and Linnaeus.

asked Feb 26, 2022

1 answer

4 votes

526k views

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