lukelara

01.03.2021 • 

Chemistry

Goal: Show where you think South America and Africa will be located 50 years from now and 50 million years from now. Do: Place the continents labeled “50 Years Later” and “50 Million Years Later” to indicate where you think they will be located at those times.

Tips: The gray continents shown on the map indicate the current locations of South America and Africa.

Ответ:

vanessa674

21.04.2020

Chemistry

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2 NaOH + H2SO4 2 H2O + Na2SO4

How many grams of sodium sulfate will be formed if you start with 200.0

grams of sodium hydroxide and you have an excess of sulfuric acid?

355.3 grams of Na2SO4

200.0 g NaOH 1 mol NaOH 1 mol Na2SO4 142.1 g Na2SO4

40.00 g NaOH 2 mol NaOH 1 mol Na2SO4

= 355.3 g

Explanation:

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