subject
Chemistry, 05.05.2021 14:00 sanders183

A 5-g sample of impure magnesium carbonate is reacted with an excess of hydrochloric acid: MgCO3 (s) 1 2HCl (aq) MgCl2 (aq) 1 H2O (l) 1 CO2 ( g)
1250 cm3 of carbon dioxide is collected at rtp.
a How many moles of CO2 are produced?

b What mass of pure magnesium carbonate would give this volume of carbon dioxide? (Ar : C 5 12, O 5 16, Mg 5 24.)

c Calculate the % purity of the 5-g sample.

ansver
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 06:00, coolkid2041
One does not belong why? ice, gold ,wood ,diamond and table salt
Answers: 1
image
Chemistry, 22.06.2019 10:30, officialalex6330
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o
Answers: 1
image
Chemistry, 22.06.2019 12:00, isaihcarter
How do you convert 4 mmol of bromobenzene to ml?
Answers: 3
image
Chemistry, 22.06.2019 23:00, soccerplayer17
What is the number of neutrons in an atom with atomic mass of 35
Answers: 2
You know the right answer?
A 5-g sample of impure magnesium carbonate is reacted with an excess of hydrochloric acid: MgCO3 (...

Questions in other subjects: