Questions by Max Grigoriev

Questions by Max Grigoriev

[PLEASE HELP] There is a 30% concentration of cobalt chloride in 90 g of a water and cobalt chloride solution. What mass, in grams, of water has to evaporate to have a 40% concentration of cobalt chloride?

asked Dec 22, 2023

2 answers

45 votes

173k views

Which phrase best completes the conversation? Músico 1: ¿Tienes que afinar tu clarinete? Músico 2: Sí, pero _________________ mañana. A. lo tocaré B. lo compraré C. lo dirigiré D. lo afinaré

asked Nov 26, 2023

2 answers

14 votes

349k views

How did the World War 1 affect art and literature then and now?

asked Oct 7, 2023

1 answer

45 votes

145k views

Consider the following situations: Situation 1: A cold spoon is placed in a cup of hot tea. Situation 2: A spring is used to roll a ball across the floor.Is energy being transferred in either of these

asked Jan 24, 2023

1 answer

14 votes

319k views

Write a variable expression to represent the phrase. The difference of a number and 1

asked Nov 4, 2022

1 answer

10 votes

376k views

Determine 6/10 of 6/10 of an hour.

asked Aug 11, 2022

1 answer

27 votes

324k views

How many kilograms equals 984.2 grams?

asked Jan 3, 2022

1 answer

23 votes

219k views

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