away26545 away26545

15-09-2022
Chemistry

Answered

14.) A 5.0 g sample of a mixture of CaCO3 and SiO₂ contains 1.5 g of Ca. What is the percent of CaCO3 in the
mixture?

Answer :

Other Questions

What is the density of an 84.7 g sample of an unknown substance if the sample occupies 49.6 cm3

A certain sample of liquid has a mass of 42 grams and a volume of 35 centimeters. What is the density of the liquid?

3. Which of the following statements about matter is FALSE? O Matter can be classified as an element and a mixture. O Matter is anything that occupies and has m

What is the density of an 87.5 g sample of an unknown substance if the substance occupies 52.1 cm³?

A sample thought to be pure lead occupies a volume of 15.0 mL and has a mass of 160.0

When part of a molecule, what is the typical number of bonds and nonbonding pairs of electrons for each of these atoms?.

4 A student is preparing a sample of sodium nitrate, NaNO3. She mixes 17 g of sodium oxide with an excess of nitric acid. The equation for the reaction is: Na₂O

what is another name for relative abudance?Percent CompositionMassWeight

1. Eight atoms of carbon react with 18 atoms of hydrogen, forming only one molecule of CsHis. Is the forming of only one molecule considered a violation of the

1. Eight atoms of carbon react with 18 atoms of hydrogen, forming only one molecule of CsHis. Is the forming of only one molecule considered a violation of the